RULES IN BRIEF Each rally begins with a player serving the ball into the opponents' court Each team is allowed to touch the ball three times before it must be returned to the opponents' courts Players must not hold the ball when they touch it, nor can they hit the ball twice in a row, but they can hit the ball with any part of the body A rally is lost upon a score, when the ball goes out of play or when a player touches the net The team that wins a rally serves for the next rally Partners take turns to serve but one player continues to serve until his or her team loses a rally Players may serve overarm or underarm, with their fists, open hands or arms Players must serve from behind the end line but can land inside the court from a serving leap Only the serving team can score, each hit worth one point, which a defending team can only win the right to serve Players can attack from any position on their side of the court No substitutions are allowed Only 12 seconds' rest is allowed between rallies