World champion Wang Yihan, world No. 3 Wang Shixian (right), sixth seed Jiang Yanjiao and Li Xuerui all made it past the second round of the final OSIM BWF World Superseries Premier tournament before the Olympic qualifying period ends on April 29.
Wang Yihan, who is seeking to regain the title she last won in 2009, will meet two-time champion Tine Baun in the quarter-finals after beating teammate Liu Xin 21-13, 21-12. Baun qualified after beating Ai Goto 21-9, 21-17.
Baun is the only European – male or female – to reach the quarter-finals of the singles competition.
Germany’s Juliane Schenk failed to join her in the quarter-finals when Taipei’s young hotshot Tai Tzu Ying defeated her 21-12, 21-11.
Tzu Ying, the US Open champion, will meet South Korea’s Sung Ji Hyun, who defeated world junior champion Inthanon Ratchanok 17-21, 24-22, 21-15.
In the women doubles competition, Malaysia Open champions Christinna Pedersen-Kamilla Rytter Juhl (left), defeated South Korea’s Jung Kyung Eun-Kim Ha Na 21-13, 21-10, to set up a quarter-final match-up with second seeds Tian Qing-Zhao Yunlei.
World champions Wang Xiaoli-Yu Yang Meiliana Jauhari-Greysia Polii 21-16, 21-12, to reach the last eight.
Pedersen and Juhl are also in the quarter-finals of the mixed doubles with Joachim Fischer Nielsen and Thomas Laybourn respectively. They will play each other for a spot in the semi-finals.
For full results, click here.