First, the 18 team is divided into four groups for single round robin, and the four teams in Group A, Group B, Group C and Group D are ranked according to the number of wins and net wins (number of sets and games). The top two teams go directly to the quarter-finals, and it is best to take the quarter-finals. If you want to test 10, you can only compete for the ninth place from the third place in four groups. Group b is third, and group d is third; The winner of the above two games will play another game (the loser will be eliminated) 9, 10.
The following are the top 8 matches: Cross race as shown in the figure? (so a? Group C crosses to prevent the first pair B2 in Group A? A2-B 1 There will be another group in the next round. Will the first and second place win B2? And duplicate matches occur)
The following are the assumptions: the final result (first in Group A)? A 1 champion? D 1 runner-up c？ 1? Third? Group d, second and fifth? B2 Sixth place?
A2, seventh place. b？ 1? Won the eighth place.