RULE 14 – Order of Service
At the end of each standard game, the receiver shall become the server and the server shall become the receiver for the next game. In doubles, the team due to serve in the first game of each set shall decide which player shall serve for that game. Similarly, before the second game starts, their opponents shall decide which player shall serve for that game. The partner of the player who served in the first game shall serve in the third game and the partner of the player who served in the second game shall serve in the fourth game. This rotation shall continue until the end of the set.