Top seed Tai Tzu-ying advanced to the women's singles semi-finals of the Malaysia Masters in Kuala Lumpur yesterday.
The world No.1 from Taiwan defeated India's world champion Pusarla V Sindhu, who is seeded sixth this week, 21-16, 21-16 in the quarter-finals of the US$400,000 BWF World Tour Super 500 event at Axiata Arena.
Tai will next play He Bingjiao after the Chinese seventh seed upset third seed Nozomi Okuhara of Japan 21-17, 21-10 in the other quarter-final.
Spain's triple world champion Carolina Marin eased past the 2017 winner, Saina Nehwal of India, 21-8, 21-7 in just 30 minutes.
Marin lost to Thai star Ratchanok Intanon in last year's final.
Marin will play either Wang Zhiyi or second seed Chen Yufei, both from China, in the semis.
In the men's singles event, top seed Kento Momota of Japan and Angus Ng Ka Long of Hong Kong advanced to the semis.
Ng Ka Long rallied to upset sixth seed Jonatan Christie of Indonesia 15-21, 21-12, 21-18 while Momota also needed three games to overcame China's Huang Yuxiang 21-13, 19-21, 21-9.