the two players switch sides for the following point.
after the serve, the players take turns hitting the ball against the front wall, above the tin and below the out line. the ball may strike the side or back walls at any time, as long as it hits below the out line. it must not hit the floor after hitting the racket and before hitting the front wall. a ball landing on either the out line or the line along the top of the tin is considered to be out. after the ball hits the front wall, it is allowed to bounce once on the floor (and any number of times 