Table tennis is a indoor sports somtimes called ping-pong. As you can see from the name, it looks like a miniature version of tennis. But the rules are somewhat different.
Play starts from service of one player.
The service should bounce once on the server's side and another bounce in reciever's side. Other than the service the ball you hit cannot touch your side of table. Game ends when one of players reach to 21 points or over 21 points and 2 points more than the opponent.