On May 19, the semi-finals of the Thailand Open Badminton Championships ended, and the final lineup was released. Japan and South Korea did not perform well and were wiped out and missed the finals. China and Thailand emerged as the biggest winners, each with three finals spots and both challenging for three titles.
- In men's singles, the world champion was upset
The two semifinals of the men's singles were both played at a top level, and both played three games to decide the winner. Ng Ka Long brought another surprise, defeating world champion Kunlavut 2-1 to advance to the final. Li Zijia and Zhou Tiancheng also played three games, and Li Zijia narrowly won 2-1 and advanced to the finals. In the final, Li Zijia and Ng Ka Long competed for the championship.
- In women's singles, China and Thailand won one game each
The two semifinals of the women's singles were both Sino-Thai battles, and in the end, both sides won one each. Top seed Han Yue put in a strong performance and put in a perfect offensive and defensive performance, comfortably beating Li Meishuang 2-0 to advance to the final. The second seed Wang Zhiyi once again dropped the chain at a critical moment, losing 1-2 to Getong and missing the final. The final continued to stage the Sino-Thai battle, with Han Yue and Ge Tong competing for the championship.
- In Men's Doubles, Liu Yi/Chen Boyang advanced to the final
Top seeds Rangiretti/Shetty are the only super-class pair in the tournament and will face the big underdogs Lo Ming-chee/Tong Hoi Wei in the semi-finals. The top seed outscored his opponent and won comfortably 21-11, 21-12 to advance to the final. Liu Yi/Chen Boyang reorganized the competition again, and the effect was very good. In the semi-finals, they faced South Korean veteran Kim Ki-jong/Kim Sa Lang, and the two won in straight games to advance to the final. In the final, Liu Yi/Chen Boyang will challenge the top seeds, which will be a good learning opportunity for them.
- In Women's Doubles, the No. 2 seed was upset
Top seeds Zongkong Pan/Rawinda put in a strong performance, beating Krasto/Ponnapa 2-0 to advance to the final. The second seeds, Japan's Suzu Iwanaga/Nishi Takaei, did not perform as well as they should, losing two games in a row, 12-21, 10-21, and losing 0-2 to Kusuma/Amalia in the final. In the final, Dzongkon Pan/Rawinda and Amalia/Kusuma competed for the title.
- In mixed doubles, Guo Xinwa/Chen Fanghui advanced
First-time pairing Guo Xinwa/Chen Fanghui surprised again as they comfortably defeated Indonesia's Rivaldi/Mentari 2-0 to advance to the final. Top seeds Dechapol/Sapsiree put in a strong performance and comfortably beat their team-mates 2-0 to advance to the final. In the final, Guo Xinwa/Chen Fanghui will compete with Dechapol/Sasiri for the title.
Japan and South Korea are all out, and the two countries are all wiped out. China and Thailand advanced to the finals three times and will strive for three crowns, of which the women's singles and mixed doubles are both Sino-Thai battles.