On December 4, the year-end finals of the BWF Tour began a semi-final competition, in a number of focus matches, staged a fierce competition, and finally the men's doubles and women's doubles, the two major Tokyo Olympic champions, suffered losses, unfortunately missed the final. In the women's singles field, in the contest between the japanese sister Akane Yamaguchi and the Indian sister Sindu, she played three sets, regrettably lost and missed the final. The men's singles stinger world number one Danish brother Acesaron easily defeated India's Lakashya to advance to the final against Thai rising star Quinrawut, who defeated Malaysian leader Lee Zi Ka in the semifinals.
After the group stage of the first three days, the BWF Finals decided the top 4 of each individual event, and the semi-finals needed to be re-drawn, resulting in the men's singles and men's doubles in the same group of players continuing to duel in the group stage. Arcelorne against Lakashia hardly encountered too much difficulty, it only took 38 minutes, it was 21-13, 21-11, easy 2-0 win, and Li Zijia and Quinravud's second match, failed to extend the group stage victory, Thai Nova two consecutive sets 21-18, 2-0 successful revenge, into the final, will compete with Arceloron for the year-end championship.
The women's singles semi-final staged a strong dialogue, and Akane Yamaguchi, a Japanese sister with strong momentum in recent times, met a sister in India, Sindu. The two last met at the recent Indonesia Masters, when Akane Yamaguchi won two consecutive sets and won the title in one fell swoop. But this time, Sindu did not give up the victory, after winning the first set 21-15, although the second set was lost 15-21, but the decider withstood the pressure, won 21-19, won 2-1, and advanced to the final. In another semi-final, South Korean talented girl Ahn Hyun-young faced Thailand's Lee Myriad, and finally won 25-23, 21-17, a big score of 2-0, and met Sindu in the final to compete for the final championship.
In doubles matches, two pairs of Olympic champions played, but both lost out. Tokyo Olympic men's doubles champion, Chinese Taipei duo Li Yang / Wang Qilin once again played against the world number one, Indonesia's "minion" duo Gideon / Sukamuyo, the result of the two after the group stage, again lost, only this time they won the first set, lost two consecutive sets, tragically reversed out, the three sets scored 21-18, 21-23, 17-21. In another men's doubles semifinal, the Japanese duo of Sakuro Hoki / Yugo Kobayashi defeated the Malaysian duo of Wang Yaoxin / Zhang Yuyu 21-18, 21-15.
In the women's doubles semifinals, the host Indonesia's Olympic champions Polly/Rahayu and Japan's Chiyo Shida/Natsuyama did not meet, resulting in a difficult tug-of-war between the four, and finally the Indonesian team lost 1-2, with three sets of 14-21, 21-13, 21-23. In another semi-final, due to the withdrawal of bulgaria's Stoeva sisters, the South Korean team Kim Joo-young / Kong Hee-yong won without a fight, and the champion will be born between Japan and South Korea. In the mixed doubles match, the Thai duo of Dechabo/Sasili beat Malaysia's Chen Bingqi/Wu Liuying 2-0, and Japan's "Dongdu" This Watanabe Yongda/Higashino Yuisa eliminated the Hong Kong duo of Tang Junwen/Xie Yingxue in three sets.