Be courteous. Be courteous. Wait until your opponent is ready to serve the ball. Be punctual. Be punctual. Arrive on time, especially if you've reserved a court time. Don't interfere. Don't interfere. Avoid interfering with your opponent's shot. Fault! Shout fault if you make an illegal serve. Let! Let! Call a do-over if interference was unavoidable. No hiding. No hiding. Make sure your opponent can see the ball at all times. No touching. No touching. Avoid any contact with your opponent during the game.