Results of seeded singles players from the third round of the BWF World Championships in Guangzhou, China
Men's singles:
Lee Chong Wei (x1 MAS) bt Wang Zhengming (x 14 CHN) 21-12, 21-7
Du Pengyu (x3 CHN) bt Takuma Ueda (x16 JPN) 21-19, 13-21, 21-7
Tommy Sugiarto (x8 INA) bt Marc Zwiebler (x11 GER) 21-19, 21-14
Lin Dan (CHN) bt Chong Wei Feng (x15 MAS) 22-20, 21-10
Women's singles:
Sainha Newhal (x3 IND) bt Porntip Buranaprasertsuk (x15 THA) 18-21, 21-16, 21-14
Tai Tzu-ying (x6 TPE) bt Linda Zetchiri (BUL) 21-13, 21-16