Following are quarterfinal results of badminton women's singles at the Beijing Olympic Games after Wednesday's competitions:

Xie Xingfang, China, bt Xu Huaiwen, Germany, 21-19, 22-20

Lu Lan, China, bt Wong Mew Choo, Malaysia, 21-7, 29-27

Maria Kristin Yulianti, Indonesia, bt Saina Nehwal, India, 26-28, 21-14, 21-15

Zhang Ning, China, bt Pi Hongyan, France, 21-8, 19-21, 21-19.

(Xinhua News Agency August 13, 2008)