Elina Svitolina of Ukraine serves during the first round match of the women's singles of the 2017 US Open tennis tournament against Katerina Siniakova of the Czech Republic in New York, the United States, Aug. 30, 2017. (Xinhua/Qin Lang)
In pics: 1st round matches at 2017 US Open
Source: Xinhua| 2017-08-31 11:36:16|Editor: Yurou
KEY WORDS: US Open
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