Li Na becomes first Chinese to reach U.S. Open semis (4/10)

Li Na of China reacts for a return during the women's singles quarterfinal match against Ekaterina Makarova of Russia at the 2013 US Open tennis championships in New York, the United States, on Sept. 3, 2013. Li Na won 2-1 to enter the semifinals. (Xinhua/Fang Zhe)