# Surfaces in Practice · Tennis Level 1: Beginner

Tennis · Level 1: Beginner · Insporta Book (https://book.insporta.app/tennis/level-1/surfaces-in-practice/)

Surfaces in Practice in Tennis (Level 1: Beginner) on Insporta: 40 sourced facts behind 4 tests. Covers: clay courts; grass courts; and more.

Clay, grass, hard court and indoor surfaces, how each plays and is looked after, and how the ITF classifies surface speed.

## Test 1: Clay courts

- Red clay is made of crushed brick, which also forms the loose top layer players slide on. (Source: General tennis reference (court surfaces))
- The loose grains let a shoe slide as the player arrives at the ball, which is a skill on clay. (Source: General tennis reference (court surfaces))
- Clay grips and slows the ball, so it sits up higher than on grass. (Source: General tennis reference (court surfaces))
- Clay courts are brushed and rolled to keep the surface level and the lines clear. (Source: General tennis reference (court surfaces))
- Green clay is made of crushed stone and is common in the United States, unlike European red clay. (Source: General tennis reference (court surfaces))
- Clay gives a little under the foot and lets players slide, which is gentler on the legs than a hard surface. (Source: General tennis reference (court surfaces))
- Clay takes pace off the ball, so a big serve gives the receiver more time than on a faster surface. (Source: General tennis reference (court surfaces))
- Clay plays slowest, hard courts are in the middle and grass is usually the fastest of the three. (Source: General tennis reference (court surfaces))
- A player runs in, slides to a halt, hits and then pushes back out to recover. (Source: General tennis reference (court surfaces))
- Slide marks on a reddish loose surface point to clay. (Source: General tennis reference (court surfaces))

## Test 2: Grass courts

- The smooth blades give little grip, so the ball skids low and fast. (Source: General tennis reference (court surfaces))
- Constant running wears the grass away at the baselines, leaving bare, slippery patches. (Source: General tennis reference (court surfaces))
- Grass rewards a strong serve and quick net play because the ball stays low and fast. (Source: General tennis reference (court surfaces))
- Grass is mown short and rolled to keep it level and true. (Source: General tennis reference (court surfaces))
- Short steps keep a player balanced where footing is unreliable. (Source: General tennis reference (court surfaces))
- Playing on soaked turf is unsafe and damages it, so clubs keep it closed until it dries. (Source: General tennis reference (court surfaces))
- Grass produces the lowest bounce, clay the highest and hard court sits in between. (Source: General tennis reference (court surfaces))
- The order from top to bottom is clay, hard court, grass. (Source: General tennis reference (court surfaces))
- The turf is prepared and marked before play and given time to recover afterwards. (Source: General tennis reference (court surfaces))
- Bare patches along the baselines are the classic sign of wear on a grass court. (Source: General tennis reference (court surfaces))

## Test 3: Hard and indoor courts

- Hard courts are a painted acrylic coating on a concrete or asphalt base. (Source: General tennis reference (court surfaces))
- A hard court gives a predictable bounce between the slow clay and the fast grass. (Source: General tennis reference (court surfaces))
- Hard surfaces absorb little impact, so the joints take more of the load. (Source: General tennis reference (court surfaces))
- Indoor courts commonly use synthetic carpet or acrylic surfaces. (Source: General tennis reference (court surfaces))
- A roof and walls keep the weather out, so sessions can go ahead all year. (Source: General tennis reference (court surfaces))
- Hard court lines are painted onto the surface. Wimbledon's grass is marked with a titanium-dioxide compound that is re-applied daily, and most clay courts use nailed-down tapes, although Roland Garros paints its lines by hand. (Source: General tennis reference (court surfaces))
- A coloured court contrasts with the yellow ball, which makes it easier to follow. (Source: General tennis reference (court surfaces))
- An indoor court is never stopped by rain, a hard court dries fast and a grass court is the most vulnerable. (Source: General tennis reference (court surfaces))
- A worn surface is cleaned and repaired first, recoated and then relined. (Source: General tennis reference (court surfaces))
- Acrylic paint over concrete or asphalt marks a hard court. (Source: General tennis reference (court surfaces))

## Test 4: Classifying and changing surfaces

- The rating describes how quickly a surface speeds or slows the ball. (Source: ITF, Tennis surfaces classification (Court Pace Rating))
- The ITF scale has five categories, from slow to fast. (Source: ITF, Tennis surfaces classification (Court Pace Rating))
- Category numbers rise with the Court Pace Rating, so a higher number is a faster surface. (Source: ITF, Tennis surfaces classification (Court Pace Rating))
- A ball is fired at the surface and its speed is measured before and after it bounces. (Source: ITF, Tennis surfaces classification (Court Pace Rating))
- Friction, energy restitution, topography and consistency all shape how a surface plays. (Source: ITF, Tennis surfaces classification (Court Pace Rating))
- The programme exists to help purchasers pick the type and speed of surface they want. (Source: ITF, Tennis surfaces classification (Court Pace Rating))
- Shoes with the right sole give grip and protect the feet on each surface. (Source: General tennis reference (court surfaces))
- The test fires a ball, measures its speed around the bounce, calculates the rating and assigns a category. (Source: ITF, Tennis surfaces classification (Court Pace Rating))
- A player identifies the surface first, picks suitable shoes, warms up on it and then plays. (Source: General tennis reference (court surfaces))
- The ITF scale runs 1 slow, 2 medium-slow, 3 medium, 4 medium-fast, 5 fast. (Source: ITF, Tennis surfaces classification (Court Pace Rating))

Sources: ITF Play and Stay and coach-education materials, ITF Coaching & Sport Science Review, federation curricula, general tennis references; original questions authored, nothing reproduced. Numbered ITF rules belong to the Rules category.

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