What is Tennis serve rules? After serving a game in a set, you switch ends of the court and now receive your opponent's serve for one game. Tennis serve rules are that players must serve the ball diagonally into the service box across the net. The server must stand behind the baseline In doubles, the rules for switching servers are the same as in singles, except that when it is a team's turn to serve, the partners take turns serving each game. Visit here: https://www.ppongsuper.com/in-depth-guide-long-pips-rubber-in-table-tennis/