The first round of single-cycle elimination system, two games a day for the first two days, the first day A-B C-D
The next day E-F G-H
Four winning teams advanced, two games a day, and on the third day, A-C E-G.
Winners enter the finals for the first and second place, while losers compete for the third place. The fourth day, C-G (3,4)
Day 5 A-E( 1, 2)
The first two stages of the competition were decided by lottery.