Zheng Jie of China eyes the ball during her women's singles match against Melanie Oudin of the US at the French Open tennis tournament at the Roland Garros stadium in Paris, May 30, 2013. [Photo/Agencies]

Zheng Jie of China celebrates a point against Melanie Oudin of the US during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, May 30, 2013. Zheng defeated Oudin 6-3 6-1. [Photo/Asianewsphoto]