China's Guo Yue serves the ball against her compatriot Li Xiaoxia at the women's singles semi-final match...
China's Guo Yue serves the ball against her compatriot Li Xiaoxia (not in the picture) at the women's singles semi-final match during the World Table Tennis Championships in Yokohama, south of Tokyo May 4, 2009. REUTERS/Kim Kyung-Hoon (JAPAN SPORT TABLE TENNIS)