Madison Keys of the United States hits a return during the quarterfinal match of the Women's Singles of the 2017 US Open tennis tournament against Kaia Kanepi of Estonia in New York, the United States, Sept. 6, 2017. Madison Keys won 2-0. (Xinhua/Wang Ying)
In pics: US Open tennis on day 10
Source: Xinhua| 2017-09-07 15:55:08|Editor: liuxin
KEY WORDS: US Open
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