Mixed doubles stars Dechapol Puavaranukroh and Sapsiree Taerattanachai crashed out in the quarter-finals of the BWF World Championships in Copenhagen, Denmark, yesterday.
The fourth seeded Thai pair, who won the tournament in 2021, lost to fifth seeds Seo Seung-Jae and Chae Yu-Jung of South Korea 12-21, 16-21 at Royal Arena.
The Koreans, who knocked out Thai duo Supak Jomkoh and Supissara Paewsampran in the last 16 on Thursday, will play either Yuta Watanabe and Arisa Higashino of Japan or Chen Tang Jie and Toh Ee Wei of Malaysia in the semi-finals.
Thais Jongkolphan Kititharakul and Rawinda Prajongjai also exited the championships.
They lost to Kim So-Yeong and Kong Hee-Yong of South Korea 19-21, 19-21 in the women's doubles quarter-finals.
Men's singles third seed Kunlavut Vitidsarn of Thailand, runner-up to Denmark's Viktor Axelsen last year, was to face Wang Tzu-wei of Taiwan later last night. Kunlavut defeated 11th seed Lakshya Sen of India 21-14, 16-21, 21-13 in the last 16.
All the other Thai hopes crashed out on Thursday.
In the women's singles last 16, Ratchanok Intanon, the 2013 champion, lost to Japan's Nozomi Okuhara, the 2017 winner, 19-21, 16-21 while Pornpawee Chochuwong was beaten by Tai Tzu-ying of Taiwan 18-21, 17-21.
Busanan Ongbamrungphan pulled out of her match against Akane Yamaguchi of Japan.
In other early results yesterday, mixed doubles top seeds Zheng Siwei and Huang Yaqiong of China eased past sixth seeds Kim Won-Ho and Jeong Na-Eun of South Korea 21-10, 21-6.
Women's doubles 11th seeds Apriyani Rahayu and Siti Fadia Silva Ramadhanti of Indonesia upset fifth seeds Yuki Fukushima and Sayaka Hirota of Japan 21-18, 13-21, 21-10.