The knockout round is divided into six groups with two teams in each group. The team will be decided by drawing lots, and the winner will be decided in three games. The first game must be decided by drawing lots in advance, the second game will be exchanged and the third game will be decided by drawing lots. The winning team in each round will enter the finals.
(4) The final is a round robin, and the winner is decided in three rounds. Score calculation: win 1 point, lose 0 point. The opponent abstained, 1 point. After three rounds, the person who scored the most ranked first, taking the top three; If the scores are the same, the play-offs will determine the result.