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ITF Court Pace Rating defines the ball-surface interaction effect known as “friction”. Friction is mainly determined by the reduction of the horizontal component of the post-shock ball speed, and of the vertical restitution, which determines the time between subsequent rebounds.

Il programma di classificazione ITF Court Pace PACE classification program has been developed to help tennis court buyers select the most suitable surface for their needs. Surfaces can be classified into one of the following five categories: slow, medium-slow, medium, medium-fast and fast. End users can select a surface based on its speed of play.
The peace court is established by shooting a ball on the surface and registering its speed before and after the game.
Rough surfaces, which generate more friction between the ball and the court, reduce the horizontal speed of the ball, thus establishing that an area is slower. Also, surfaces that have a higher rebound induce you to play more slowly as players have more time to reach the ball.
ITF COURT PACE RATING uses both of these factors to determine the speed or slowness of a surface.
Special test equipment including a compressed air gun and individual containers controlled in and out by special infrared devices are used to measure Court Pace. This equipment, which can be used on all tennis surfaces, whether on the court or in the laboratory, requires the use of a specialised technician.
For this reason, either on-site or in the laboratory, all tests for the ITF classification must be made by an accredited ITF laboratory..
A product included in the list of ITF classified surfaces is covered exclusively from Court Pace and is in the ranking for three years.

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