Saina scored a comprehensive 21-19, 21-12 win over Ai Goto of Japan in the pre-quarterfinals.  Saina will meet Xin Wang of China in the last eight on Friday. Wang registered an upset win over third seed Tine Rasmussen of Denmark 13-21, 21-16, 21-19.

Chetan went down fighting to qualifier Wei Feng Chong of Malaysia 15-21, 21-19, 18-21.

In women’s action, second seed Lin Wang of China,  Eriko Hirose of Japan and Yihan Wang of China all won through.