Racquetball  — the sports ball game which is passing on rectangular closed court. It was thought up in 1949 by American Joe Sobek.

In game play the single (2 persons) or steams (two commands). Each party strikes on a ball by turns. The ball should be beaten off to the second отскока from a floor and can concern all walls before will fall to a floor. The ball needs to be submitted or accepted so that the opponent could not keep it in game.

Play two sets on 15 points. If the account equal, is appointed the third set from 11 points, defining the winner. Only the submitting can win a point. If draw is won by the one who accepts a ball, it becomes submitting.