Juan Martin Del Potro of Argentina hits a return during the men's singles second round match against Ernests Gulbis of Latvia at the Championship Wimbledon 2017 in London, Britain, on July 6, 2017. Ernests Gulbis won 3-0. (Xinhua/Jin Yu)
In pics: Championship Wimbledon 2017 Day 4
Source: Xinhua| 2017-07-07 11:25:13|Editor: ying
KEY WORDS: Wimbledon
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