Squash Court Dimensions: Briefly Explained


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The Squash court is generally a rectangular box that has four vertical walls of different heights. These walls are termed as the front wall, back wall, and sidewalls. The court features a leveled floor and a clear height well above the court area. Some enthusiasts use the squash court to play the racquetball game as well. Let us discuss the dimensions and other aspects of the squash court in detail here.

The Dimensions of the Squash Court

  • The length of the squash court is about 9.75 meter
  • The width of the court is measured at 6.4 m
  • The diagonal measurement of the court is 11.66 m. 
  • The dimension of the service boxes is about 1.6 m and
  • The minimum clear height above the floor of the court is around 5.640 m.

For both the singles and the doubles squash court, the clear height that is above the floor level shall not be less than 5640 mm above the playing area. 

Squash Court Dimensions
Photo: wikimedia

Court Walls

The walls of the court are built in such a way that they are capable of withstanding all the stresses that are placed upon them in normal play. They should be sturdy enough to withstand the impact of balls and racquets and also the impact of players. Some of the Squash courts have transparent walls should be constructed of safety materials that are tested in accordance with the national safety standards.

All the walls should not deflect upon the impact of the ball and shall feature a hard and smooth finish. Special focus is laid on the joints of the playing surfaces. Any open joint in the finish of the wall should not deflect the rebound of the ball in any way. Also, the joints should not be wider than 2 mm in the plane of the wall surface. There shall not be any protrusions of any kind into the court, especially at the junction of one wall with another. 

The door of the court is located in the middle of the back wall and should open into the court. The door should not be more than 900 mm wide and 2130 mm high. There shall be enough space provided for the referee in the court so that he can see the whole of the court and shall be able to hear the play and the players. The space for the referee should be well behind the plane of the back wall.

Check out: Best Squash Racquets

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Different Lines on the Court and Court markings

All the court markings should be made 50 mm wide and in a color that is a contrast to the adjoining surfaces. All the wall markings should be made out of the same color. And similarly, all the floor markings should be of the same color. The different lines on the walls of the court are as follows.

Front Wall Markings

  • The front wall line is a horizontal line that lies at the height of 4570 mm to the underside. This indicates the height of the play area. This line is shaped in such a way that it deflects any ball that strikes it.
  • The service line is a horizontal line that lies at the height of 1780 mm to the underside. This line indicates the lowest height of service. This line shall not deflect any ball striking it.
  • The Upper 50 mm of the tin should project into the court by not more than 15 mm at the top and 45 mm at the bottom. It is also shaped to deflect any ball striking it. The Tin should be constructed in such a way that it makes a distinctive noise when it gets stuck by the ball.

Back Wall Markings

  • The back wall line is a horizontal line that is marked at a height of 2130 mm to the underside, except that the court has a transparent wall that is 2180 mm high above the floor level.
  • If the court has a transparent back wall, then the back wall line is marked on the inside court face of the wall. Transparent walls that are very tall and lie well above the finished floor are not allowed. 
  • If the court features a solid back wall, then the wall line is shaped to deflect any ball striking it. 

Sidewall Markings

  • There is one court marking on each of the sidewalls, termed as the sidewall line.
  • This line joins the ends of the front wall line and the back wall line.
  • The sidewall lines will not project into the court and are ideally shaped to deflect any balls that strike on it.
  • If the court features a transparent sidewall, then it is recommended that the wall extends to a height of 5250 mm above the floor, and at 2000 mm back from the front wall. 

Floor Markings

  • There are generally four court markings on the floor, namely the short line, the half-court line, and two service boxes.
  • The court markings on the floor should be made non-slip.
  • The short line is marked parallel to the front and the back walls of the court.
  • The distance to the nearest edge of the short line, from the back wall, is measured at 4260 mm. This short line is generally marked to the full width of the court.
  • The half-court line is parallel to the sidewalls and is also equidistant from them. They run from the back wall to the short line.
  • There are two service boxes, that are either side of the court, behind the short line. 
  • Each of the service boxes is square, and they lie on either side of the court, behind the short line.
  • These service boxes have an internal side of 1600 mm and are bounded on three sides by lines, and on the fourth side by one of the side walls.

Read: Squash Rules: How to Play Squash?

Final Words

The World Squash Federation has laid clear rules to ensure that the squash tournaments and competitions are played under similar and fair conditions all over the world. The court dimensions also ensure a safe and convenient playing environment for all the players.



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