A ball must land within bounds for play to continue; if a player hits the ball outside of bounds, this results in the loss of the point for them.
Players/teams cannot touch the net or posts or cross onto the opponent’s side.
Players/teams cannot carry the ball or catch it with the racquet.
Players cannot hit the ball twice.
Players must wait until the ball passes the net before they can return it.
A player that does not return a live ball before it bounces twice loses the point.
If the ball hits or touches the players, that counts as a penalty.
If the racquet leaves the hand or verbal abuse occurs, a penalty is given.
Any ball that bounces on the lines of boundary are considered good.
A serve must bounce first before the receiving player can return it.
Doubles:
In doubles, you and a partner play against a team of two players on the other side of the net, using the full court between the baselines and the doubles sidelines.
If you are on the team that serves first, either you or your partner may begin the match by serving the first ball. Either person on the opposing team may receive the first ball on the right (deuce) court. The partner will receive all serves to the left (the ad) court.
The same player must serve the entire game. So if you serve the first game, the opposing team will serve the second game, your partner will serve the third game, the partner on the opposing team will serve the fourth game and you will serve again on the fifth game, and so on. You must keep the same order of serving throughout the match.
When it is your team’s turn to receive, you can choose which player will receive the first ball. You must then keep the same sides for receiving for the entire set, though you can switch sides for the following set.
If the server’s partner is hit with the serve, a fault is called. If the receiver or the receiver’s partner is hit with the serve before it bounces, the server wins the point.
In returning shots (except the serve), either member of a doubles team may hit the ball. The partners don’t have to alternate hits.