Cricket pitch types explained: green tops to dust bowls

Twenty-two yards of rolled soil is the only playing surface in world sport that the home side builds to its own specification and then plays on. A football pitch in Manchester behaves like a football pitch in Montevideo. A cricket pitch does not reliably behave like the strip beside it on the same square, cut a fortnight earlier by the same person with the same roller.

Which is why cricket pitch types get discussed endlessly and explained badly. The usual explanation is a list of names. Green top, dust bowl, road, sticky dog, two-paced. A list of names is not an explanation. Each of those words describes how a surface looked on one morning, not what it was doing to the ball or what it was about to become by Thursday.

Underneath every one of those names sit four physical variables: what the soil is made of, how much water is in it, how hard it has been compacted, and how much grass is left on top. Two of those matter far more than the other two. Clay content and moisture between them account for most of what any surface does, and once you think in those terms the country stereotypes become optional rather than necessary.

• 22Pitch length, yards
• 10Pitch width, feet
• 28Stump height, inches
• 5Days a Test surface must survive

Dimensions from the Laws of Cricket. Everything else about a pitch is a preparation decision, not a rule.

What a cricket pitch actually is, underneath the grass

A square is not turf laid on a field. It is a constructed soil profile, built up over years in thin layers, each one watered, consolidated and grown into before the next is added. That construction is why a square takes seasons to mature and why a newly built one is unpredictable for a long time.

The material is loam chosen for its clay content. Clay particles are microscopically small and plate-shaped, and when a clay-rich soil is wetted and then compressed the plates align and bond to each other. What you end up with is not a layer of dirt but something closer to a slab: dense, cohesive, and strong enough to survive a hard ball arriving at speed thousands of times without deforming. Sand and silt in the mix control drainage and how easily the surface crumbles. Too much clay and the profile shrinks violently as it dries. Too little and it never binds hard enough to give pace.

The layered construction matters more than most explanations admit. Each season's top dressing has to bond to the layer beneath it, and if it does not, the profile can separate along that join. A surface with a poorly bonded layer under it will look immaculate and play unevenly, because some deliveries meet a properly consolidated block and others meet a thin plate sitting on a void. This is one of the real causes of the uneven bounce that usually gets blamed on cracks.

The other thing worth knowing is that a square holds a dozen or more pitches side by side, prepared and rested in rotation. A strip used three weeks ago and re-rolled is not the same object as one that has had a full winter's rest, and no amount of squinting at the colour on television will tell you which you are watching. How that rotation is managed, and how a strip is brought from bare soil to a first morning, is the subject of the companion piece on preparing a square; this article is about what the finished thing then does.

Clay and moisture: the pair that explains everything else

Clay's strength is a function of how much water is in it. That single sentence carries most of the subject.

Wet clay is plastic. It deforms under load, absorbs the ball's energy instead of returning it, and lets the ball sit in the surface. That is the slow, tacky pitch where nothing is dangerous and nothing is easy, and where a well-timed drive dies on its way to the rope.

Clay at the right water content is elastic. It takes the impact, gives very little, and returns energy to the ball. This is the hard, true surface every groundsman is aiming at: pace, carry, even bounce, and a ball that arrives at the bat rather than at the batter's convenience.

Dry clay is brittle. It shrinks, it cracks, and at the very surface, where drying has gone furthest, it loses cohesion entirely and becomes loose grit sitting on a hard base. This produces the apparent contradiction that confuses people about dry pitches: they can be hard and quick underneath while simultaneously falling apart on top. A dry pitch is not simply a slow pitch. It is a firm pitch with an unreliable skin, and that skin is where spin, uneven bounce and dust all come from.

So the two questions that describe any surface are: how much clay, and how much water is in it right now. High clay plus correct moisture gives the hard, quick, high-bouncing surface. High clay plus too much water gives a slow, gripping one. Lower clay plus dryness gives a surface that never had much bounce and gives up its top layer early. The rest of the vocabulary follows from that.

Watering and covering are how a groundsman moves along that axis, and the direction of travel differs by climate. In much of the subcontinent, the Caribbean and Australia the problem is keeping water in the profile. In England, Ireland and New Zealand the problem is often getting it out.

Pace and bounce are not the same property

This is the commonest error in commentary, and it is worth being precise about, because getting it right changes what you see.

Pace is how much of the ball's forward speed survives the bounce. Bounce is how high it comes off the surface. They are produced by different mechanisms and they can move in opposite directions.

When the ball lands, it is travelling fast forwards and more slowly downwards. The surface has to do two things to it at once: resist the downward component, which sends the ball back up, and act on the forward component through friction, which slows it down. A hard surface returns the vertical energy efficiently. A gripping surface takes a big bite out of the horizontal speed, and some of that lost forward momentum ends up as extra upward velocity, because the ball is spinning and being dragged rather than sliding cleanly.

That gives four combinations, all of which exist.

• Fast and low. A hard, smooth, dry surface with little grip. The ball skids on, keeps its speed and stays below the ribs. Front-foot driving is easy, pulling is not, and the lbw shout is always live.
• Fast and bouncy. Hard enough to return energy vertically, without gripping enough to kill the speed. This is the surface every fast bowler wants and the reason certain grounds have a reputation. It is rare because it needs high clay content, correct moisture and real depth of consolidation all at once.
• Slow and bouncy. A gripping surface, often dry and slightly loose on top, that takes the pace off and throws the ball up. Tennis-ball bounce. Uncomfortable to bat on, unrewarding to bowl on, and common on dry subcontinental squares.
• Slow and low. A soft or unbound profile that absorbs the energy in both directions. The worst of all worlds for everybody watching.

Two consequences follow. A quick pitch and a bouncy pitch are not the same thing, and a bowler who needs one is not helped by the other. A tall seamer bowling a heavy length wants bounce. A skiddy bowler who hits the base of the stumps wants pace and would much rather the ball stayed down. Sides pick attacks on this distinction, and commentary that treats the two words as synonyms cannot explain why a fast bowler has just gone wicketless on a fast pitch.

The second consequence is that bounce is set as much by depth as by the top. If the profile is firm well below the surface, the ball meets something that does not yield and comes back up. If a hard crust sits over a softer layer, the crust flexes, the energy disappears into the soil, and the pitch plays dead however good it looks. Groundsmen talk about a pitch having bottom, and that is what they mean.

Seam is the pitch. Swing is the air

Two different kinds of deviation get discussed as though they were one thing, and the pitch is responsible for only one of them.

Swing is aerodynamic. It happens between the bowler's hand and the pitch, and it is produced by the ball's condition, the angle the seam is held at, the ball's rotation, and the air it is moving through. A pitch cannot swing a ball. It can affect swing only indirectly, through whether the outfield around it is lush enough to preserve the shine or abrasive enough to wear one side raw, which is the point at which the ball's condition starts to matter more than the surface.

Seam movement happens after the ball has landed. The raised seam meets the surface, grips for a fraction of a second, and the ball is deflected off its line. Whether that happens is entirely a property of the pitch. A surface with a little moisture in the top, or live grass on it, gives the seam something to bite into. A hard, dry, sealed surface lets the seam skid across without purchase, which is why an obviously fast pitch can offer a bowler almost nothing sideways.

The practical test is easy once you know it. Deviation that begins before the bounce, and curves, is swing. Deviation that begins at the bounce, and is a kink rather than a curve, is seam. In a single over on a helpful English morning a good bowler will show you both, and the ball that takes the wicket is usually the one that did neither.

Cloud cover deserves a paragraph of its own, because it is misdescribed constantly. The claim that cloud makes the ball swing has never been demonstrated cleanly, and the physics offered for it is thin. What cloud does reliably is stop the surface drying. Under a grey sky the moisture in the top few millimetres stays put for hours; under sun it is gone in a session. So the thing that actually changes when the clouds come over is very often the seam movement, and the pitch was doing it all along while the sky took the credit.

What a green top is really doing

Grass on a pitch does three separate jobs, and running them together is why "green" gets read as "dangerous".

It binds. Living roots hold the top layer together and stop it breaking up, which is why a well-grassed pitch deteriorates more slowly than a shaved one made of the same soil.

It holds water. Grass shades the surface and slows evaporation, keeping moisture in the top layer far longer than bare soil would.

It grips. Grass fibres give the seam a purchase that a smooth soil surface does not, so the ball deviates.

Those three do not always point the same way, which is where the interesting cases live. A pitch shaved bare but well rooted underneath is bound without being useful to a seamer. A pitch with a thick, even covering that has been rolled flat and killed off binds the surface and does nothing else; it looks green on camera and behaves like a dry one. Colour is a poor guide, which is why captains rub the surface with a thumb rather than looking at it. Green at the base of the blade means live. Brown at the base means the covering is decoration.

The same covering also behaves differently depending on what is above it. Under cloud, a green top stays a green top all day: the moisture stays in, the seam keeps gripping, and batting stays awkward past lunch. Under strong sun the same pitch dries from the top down within a couple of hours, and by the middle session the ball is skidding on and the grass is contributing nothing except a slightly uneven surface. Two matches on identically prepared pitches can therefore produce completely different cricket, and neither groundsman did anything differently.

At the other extreme, take the covering off entirely, dry the top layer, and it will begin to break up under its own use. Ball marks appear on the first morning, the surface powders, and a finger spinner has something to work with before lunch on day one. That is the dust bowl. It is a choice rather than an accident, and it usually reflects a side that would rather take twenty wickets quickly than build a large first-innings total.

Between the two extremes sits most of the cricket ever played: a light, even covering that offers something for two hours, flattens out for a day and a half, and then breaks down.

1. 1The ball arrivesTravelling fast forwards and more slowly downwards, with the seam upright if the bowler has done the first part of the job.
2. 2The surface resists downwardsA hard, well-consolidated profile returns that energy and the ball climbs. A soft or hollow one absorbs it and the ball stays low.
3. 3Friction acts forwardsGrip drags speed off the ball, making it slower and higher. A sealed, smooth surface lets it skid on fast and flat.
4. 4The seam bites, or does notMoisture, live grass or loose grit gives the seam purchase and the ball deflects sideways. A dry sealed top gives it none.
5. 5The ball leavesIts new speed, height and direction are the pitch's entire contribution. Everything before the bounce belonged to the bowler and the air.

The same four steps happen on every pitch. What changes between surfaces is how much each step takes out of the ball.

Cracks do less than television suggests, and less predictably

Cracks photograph well. A camera at ground level makes a fissure look like a trench, and the commentary that follows is usually a prediction of doom that the fourth innings then fails to deliver.

Here is the honest version. Cracks form because clay shrinks as it dries. Their appearance tells you that the profile is losing water, which is genuinely useful information and the best free readout of moisture loss a spectator has. What a crack itself does to a cricket ball is much more limited.

A ball has to land on one for anything to happen, and the area that matters is a band a few feet long on a good length. Most deliveries miss. When one does land on a crack whose edges are still firmly bonded to the soil around it, nothing happens at all, because the ball is meeting a hard surface with a line drawn on it.

Something happens when the edges have started to break away. Then the ball can be meeting solid soil on one side of its footprint and a loose plate or a void on the other, and it can shoot low, sit up or dart sideways from what looked like an identical delivery. That is real, and it is genuinely dangerous, particularly for a batter committed to the back foot.

But notice what changed. The pitch did not become difficult because a crack appeared. It became difficult because the surface lost cohesion, and the crack is the visible symptom of that. Fine crazing on a well-bound pitch is cosmetic. Wide open cracks in soil that has gone to grit are a warning, and the warning is about the grit.

Footmarks are a separate thing, and they are far more reliable in their effect. They are the patches outside the return crease and just short of a length where the bowlers' front feet land, and they are torn out by studs rather than dried out by the sun. They give a spinner a target of genuinely loose, broken surface. A left-arm spinner bowling into the marks left by right-arm-over seamers, to a right-hander, has one of the great structural advantages available in the game, and it is created entirely by where the previous three days' bowlers happened to run. Which kinds of bowler can exploit that, and how, is the subject of the different families of spin bowling.

The rough is the general term for that damaged area, and batters play to it differently: more pad, more sweeping, and an acceptance that ordinary defence has stopped being reliable.

Rolling, and the one lever both sides get to pull

The heavy roller compresses the profile, closes the surface, presses cracks temporarily shut and makes a pitch play truer and faster. It is the batting side's tool. A side batting last on a broken surface will nearly always take the heaviest roller available, hoping to bind the loose top back down for a session.

The effect is temporary and occasionally counterproductive. Rolling a dry, cracked surface flattens the top but does nothing about the loss of cohesion below it, and the cracks reopen as soon as bowlers start landing balls in them. On a pitch that has already gone, heavy rolling can grind the loose material finer and make matters worse.

The light roller tidies a surface without driving moisture out of it. Choosing between them, and choosing whether to take one at all, is one of the small tactical decisions that the shorter formats have almost entirely lost and Test cricket still carries. The right to a roller before an innings sits in the playing conditions alongside the other pitch obligations, and it repays reading properly, in the same way that the handful of Laws that quietly decide matches repay it.

Five days on the same strip, and why the toss matters

Every Test pitch is a depreciating asset. The pattern of that depreciation is consistent even though its speed varies enormously.

1. 1Day one, first sessionSurface moisture still present, grass alive, ball new and hard. Seam movement and carry. The hardest period to bat in on a fresh surface, and the shortest.
2. 2Day one afternoon and day twoThe top dries out while the profile below stays bound. This is the pitch at its best: true bounce, predictable pace, the easiest batting of the match.
3. 3Day threeThe top layer starts losing cohesion. Footmarks are established, cracks widen, dust appears on impact. Spin begins to grip and the ball roughs up enough for reverse swing.
4. 4Day fourLoose material on the surface, open cracks with breaking edges, well-worn footmarks. Bounce turns variable rather than merely lower, and length becomes a guess.
5. 5Day fiveThe surface does different things to consecutive balls of identical length. Low ones, spitting ones, and sharp turn out of the rough. The fourth-innings problem in full.

Rain resets surface moisture and can make a third-day pitch behave like a first morning for an hour. Heat accelerates the whole sequence.

That sequence is the whole argument for why the toss matters more in Test cricket than anywhere else. In the white-ball formats the toss buys conditions: dew, lights, a fresh or used strip, a chase with a known target. In a Test it buys a different playing surface. The side batting first and the side batting last are not playing the same game on the same ground. They are playing on the same soil at two different stages of its decay, and the difference between those stages is larger than the difference between many pairs of teams. The gap between the formats in what a captain is actually deciding at the toss is one of the sharper illustrations of why the three formats are separate sports wearing the same kit.

Which is why sides bat first on surfaces expected to break up, and why the old line about a total being worth far more in the fourth innings than the first keeps getting used. It is not superstition. It is a statement about a material that is measurably weaker on Monday than it was on Thursday.

Two things distort the sequence. Rain resets surface moisture, and a covered pitch under a wet sky on day three can behave like a first morning for an hour after the covers come off. Heat compresses it, so a hot dry week can deliver day-four behaviour by the second afternoon.

Two-paced surfaces, and the rest of the vocabulary

A two-paced pitch is one where consecutive deliveries of the same length arrive at different speeds. Some sit up and stop, some skid on. It is the hardest condition to bat in and the least dramatic to watch, because nothing looks wrong until somebody spoons a pull to mid-on and cannot explain why.

The causes are all versions of the same thing: the surface is not uniform. Patchy grass means the ball lands on soil or on a tuft depending on where it pitches. A dry crust over damp soil skids when the crust holds and grips when it breaks. A worn pitch with plates of loose material behaves one way on a plate and another beside it. A low-clay profile losing its binding absorbs more of the ball's energy in some places than others. And an imperfectly bonded layer deep in the profile does it invisibly, all day, on a surface that looks immaculate.

The remaining terms are worth knowing precisely rather than approximately.

• Slow low. Little pace off the surface and bounce below stump height. Cutting and pulling become risky, full straight bowling is hard to get away, and everybody involved looks worse than they are.
• Sticky. A wet surface drying under hot sun. Historically the most difficult batting condition the game produced, and largely gone in the era of full covering.
• Road. High clay, correct moisture, no wear: pace, true bounce and nothing sideways. The batter's dream, and the reason for the phrase about winning the toss winning the match.
• Under-prepared. Insufficient rolling and drying time before the start, which tends to produce early seam movement and early turn together, an unusual and thoroughly unpleasant combination.

Drop-in pitches are a different object, not a lesser one

A drop-in pitch is grown in a tray at a nursery away from the stadium, matured there under controlled conditions, then transported and craned into a recess in the outfield before a match and lifted out again afterwards.

Grounds use them for a practical reason. A stadium shared with football, rugby or Australian rules cannot carry a permanent square in the middle of the field for ten months of the year. There is a second reason that gets less attention: a nursery gives the groundstaff far more control than the middle of a stadium does. Light, drainage, wind and access are all better in an open field than in a bowl surrounded by a roof and several tiers of seating, and modern stadium design has made growing decent grass in the middle genuinely difficult.

They behave differently for structural reasons rather than mystical ones. The tray puts a hard boundary underneath the soil profile at a fixed depth, so water cannot drain away indefinitely and roots cannot go deeper than the tray allows. The profile is more uniform than a square built up over decades of top dressing, because it was constructed all at once rather than in annual layers. And the strip has usually been played on less.

The tendencies that follow are even bounce, true early behaviour, and less pronounced deterioration than a native square of the same soil. The historical complaint was that drop-ins produced surfaces so consistent that neither seam nor spin got any assistance and matches became contests of patience. The technology has moved a long way since that reputation formed, and drop-ins are now prepared deliberately to seam, to turn, or to do neither. Judge the venue, not the category.

Cricket pitch types by region, and why the stereotypes are dissolving

The national characters are real as tendencies and useless as rules. They exist because soil, climate and tradition happen to line up, and they are being blurred by imported loam, better drainage, full covering, central curation and boards that now prepare to a plan rather than to a habit.

A dry subcontinental square is shaped by heat and by drying time. Long, hot preparation takes water out of the profile faster than anywhere else, the grass is usually cut low, and the surface loses cohesion early. The result is grip: pace comes off the ball, spin bites from early in the match, and bounce is often modest because the surface yields slightly on impact. Soils differ enormously across the region, though. The heavy black soils hold water, swell, and then shrink dramatically as they dry, producing wide cracking. The redder soils hold less water, tend to be firmer, and give truer bounce with far less dramatic cracking. Two grounds in the same country can play like opposites, which is one reason home advantage there is a more complicated idea than it looks from outside.

An English seaming surface is shaped by the opposite problem. It is cooler, wetter, the grass grows readily, and the moisture does not leave the top layer without help. Seam is the dominant mode of deviation, the pace is usually moderate, and deterioration is slower because a bound, grassed surface does not turn to grit in four days. Turn arrives late in an English Test if it arrives at all, and the decisive session is far more often the first than the last.

An Australian bouncy surface comes from high clay content and a climate hot and dry enough to bring the profile to that hard, elastic condition and hold it there. What follows is depth of consolidation, and depth is what produces genuine carry. These pitches crack visibly and early, and are frequently still well bound underneath while doing it, which makes them the clearest case of cracks on television meaning less than they appear to.

A Caribbean surface historically meant pace and now more often means slow and low, though the variation between islands is wider than the variation between some countries. Heat, soils that lose their binding, and long gaps between first-class fixtures at some grounds all play a part.

None of that is destiny. A subcontinental board can prepare a green seamer if it wants one and has picked the attack to use it. An English county can leave a strip bare and dry in August and watch it turn square. What predicts a surface now is the home side's plan for the series, and only after that the geography. That is a real change in the game, and it makes more sense read alongside the wider way conditions, calendars and climate shape cricket in different countries.

Preparation is a competitive decision, and everybody knows it

Cricket is unusual in letting the home team's employee build the playing surface. Every argument about pitch doctoring starts there, and no amount of regulation makes it go away, because the alternative is neutral groundstaff at every ground in the world and nobody is going to pay for that.

In practice the groundsman sits between three pressures. The home board, formally or otherwise, has a view about what surface would suit its bowlers. The venue has an interest in the match lasting long enough to sell food and seats on day four. And the groundsman's own professional standing depends on producing a pitch that is not embarrassed by the match referee's report. Those three pull in different directions surprisingly often, which is why home sides do not always get the surface they asked for, and why the groundsman is usually the last person to say anything about it in public.

The argument about whether preparing a surface to suit yourself is legitimate tends to collapse because the two sides are discussing different things. Preparing a pitch that turns from the first session is a home advantage, in exactly the way that a green, damp surface in the first week of an English season is a home advantage. Preparing a surface with unpredictable bounce that could injure someone is a safety problem. These are not the same complaint, and the game is inconsistent about which one it makes and about whom.

The other half of home advantage is selection, and it is the half that gets forgotten. A pitch that turns is only worth having if you have two spinners who can bowl on it and a batting order raised on playing spin off the back foot and with the sweep. Sides have instructed a groundsman without auditing their own squad and then lost Tests on surfaces they ordered themselves. The toss decision and the team sheet are made together, not in sequence.

How pitches are rated, and what the ratings are actually for

Match officials assess the pitch and the outfield at international matches and file a rating. The scale runs from very good down through satisfactory to unfit, and poor ratings carry demerit points that accumulate against a venue over a rolling period. Enough of them and a ground can be suspended from hosting. The current wording of the scale, the points attached to each rating and the length of the rolling window are all published by the ICC, and they have been revised more than once, so check the current regulations rather than trusting a number from an old article.

What the system is for is narrower than the arguments around it suggest. It exists to catch two failures: surfaces so dangerous that a batter's safety is at risk, and surfaces so lifeless that a result is impossible. It was never designed to enforce neutrality between bat and ball, or between seam and spin, and it does not try to.

That is why the annual row about a home side going too far generates more heat than the rating system does. A pitch that turns square from the first ball is not unsafe. It is a legitimate, if unsubtle, use of the one advantage cricket hands the host. The complaint worth making is not that such surfaces exist but that the game's reaction to them varies noticeably with which country prepared them.

What a captain and a groundsman each look at on the morning

They are standing on the same twenty-two yards asking almost opposite questions. The groundsman is asking whether the surface is ready. The captain is asking what it will be like in three days.

The groundsman's morning is a sequence of small, irreversible decisions.

1. 1Read the profileHow much water is left, how far down it has dried, and whether the strip has come to hardness on schedule or a day early.
2. 2Decide on the coversWhen to take them off. Leave them longer and the top holds moisture into the first hour. Off early and the sun starts drying it before the toss.
3. 3Set the final cutHow much grass stays. This is the last chance to change how much the seam will grip, and it cannot be undone.
4. 4Roll, and choose which rollerHeavy to seal and firm the surface, light to tidy it without driving moisture out. The pre-match roll sets how the first session plays.
5. 5Walk it with the umpiresThe surface is inspected for fitness before play. At that point the groundsman's job ends and the match officials' begins.

Every step is a decision about moisture. Once the covers are off and the roller has been over it, none of them can be taken back.

The captain's morning is evidence gathering, not ritual. The checks are physical and take about four minutes.

• Colour, treated with suspicion. Green suggests live grass and moisture. Brown suggests dryness. A grey, dusty top says the surface is already unbound. All three can lie.
• Hardness. Press a thumb, a key or a stud into it. A surface that marks easily will break up early. One that resists is going to last.
• The grass, at the root. Rub it. Green and springy at the base means live grass that will help the seamers. Brown at the base means dead covering that binds and nothing more.
• Surface moisture. A dark patch, a damp feel, dew still sitting on the square. All of it points to early movement that will not survive an hour of sun.
• Cracks, and specifically their edges. Width and depth matter less than whether the edges are still bonded. Cracks with lifting edges on day one mean serious trouble by day four.
• The margins of the strip. How well the pitch is bound at its edges is a clue to how well the whole profile has knitted together.
• The outfield. Dry, bare and abrasive means the ball will rough up quickly and reverse swing comes into range earlier than usual.
• The forecast. Cloud keeps the top damp and keeps the seamers interested. Heat accelerates everything. Under lights, dew arriving in the second innings makes the ball wet and the surface skiddy, which is the single biggest reason captains bowl first in a day-night match.

Then the judgement, which is about time rather than about this morning. Batting first is a bet that the surface gets worse. Bowling first is a bet that the help available in the first two hours is worth more than the difficulty of batting last. Both are defensible, and one of them is going to look stupid by Sunday.

Reading a pitch from the stand or the television picture

The colour of a pitch on camera tells you almost nothing. The broadcast lens flattens the surface, the light changes through the day, and dead grass looks identical to live grass from ninety yards away. Watch the ball instead. Everything a surface is doing shows up in behaviour within about six overs.

Where the keeper takes it. Standing back to a seamer, is he gloving it around the ribs, at the chest, or above the shoulder? That is your bounce reading, and it is far more reliable than anything you can see on the strip itself.

Whether the ball carries to the cordon. Edges reaching second slip comfortably at head height mean pace and carry. Edges dying in front of the keeper mean the surface has gone soft, or simply gone.

How the batters are standing. A front foot pressing forward with confidence means true bounce and predictable pace. Batters getting back and across, or waiting, means either bounce or movement that they have decided not to trust.

Whether the ball beats the bat by deviation or by pace. Deviation is a kink at the bounce or a curve in the air. Pace beating the bat is the surface offering nothing sideways and the bowler simply being quicker than the batter thought.

Puffs of dust on impact. The clearest single sign that the top has lost cohesion, and the earliest reliable indication that spin is about to come into the match.

Where the bowlers are landing their feet. Track where the footmarks are forming on day two, then look at which spinners each side has picked. That tells you whose match day four is going to be.

The sound. On a hard surface the ball off the pitch and the ball off the bat both crack. On a soft one, both go thud. Stump microphones pick this up far better than cameras pick up colour.

Then look at how the game is scoring rather than at the pitch at all. Session by session run rates, wickets per session, and the difference between the two sides' first innings are the honest record of what the surface did, and they are all sitting there for anyone who knows how to read a scorecard properly. A pitch that everyone agreed was a minefield at lunch on day one, and then produced four hundred, was never a minefield. It was a green top under cloud that dried out at two o'clock, and somebody should have said so at the time.