Basic Table Tennis Rules Service RulesThe service must start with the ball in an open palm. This stops you from throwing it up with spin.The ball must be thrown vertically, at least 16 cm. This stops you from serving straight out of your hand and surprising your opponent.The ball must be above and behind the table throughout the serve. This stops you getting any silly angles and gives your opponent a fair chance at returning.After throwing the ball, the server must get their free arm and hand out of the way. This is to allow the receiver to see the ball
I’ve summarised the official (and very long) Ping Pong Table
rules of the ITTF in these basic table tennis rules. These should be all you need to start playing a game.