This ABBREVIATED VERSION of the World Singles Squash Rules is to help players to understand the basics. All players should read the complete Rules. The Rule numbers in brackets in each heading refer to the full Rules. This amendment is effective from 1st April 2009.
A player, after attempting to strike the ball and missing, may make a further attempt to return the ball.
When it is his or her turn to play the ball, a player is entitled to freedom from interference by the opponent.
To avoid interference, the opponent must try to provide the player with unobstructed direct access to the ball, a fair view of the ball, space to complete a swing at the ball and freedom to play the ball directly to any part of the front wall.
A player, finding the opponent interfering with the play, can accept the interference and play on, or stop play. It is preferable to stop play if there is a possibility of colliding with the opponent, or of hitting him or her with racket or ball.
When play has stopped as a result of interference the general guidelines are: