A game and a game:
1. In a game, the first player to score 2 1 points is the winner. After 20 draws, the winner is mainly the one who scored 2 points first.
2. A game should adopt the best of three games or the best of five games.
3. A game should be continuous. However, between games, any athlete has the right to ask for a break of no more than two minutes.
Spin serve method:
1. If a game is still not over after 15 minutes (except when both sides score at least 19), or at any time before that, at the request of the athletes of both sides, the rotation service method should be implemented.
When the ball is still in the game state, the referee should immediately suspend the game. The suspended server serves and continues the game.
3. When the ball is not in the game state, it should be served by the receiver in the previous round to continue the game.