Kei Nishikori of Japan hits a return to Karen Khachanov of Russia during a men's singles second round match at the 2016 U.S. Open tennis tournament in New York, the United States, Sept. 1, 2016. Kei Nishikori won 3-1. (Xinhua/Qin Lang)
Highlights of 2016 U.S. Open tennis tournament
Source: Xinhua
2016-09-02 11:18:53
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