John Isner of the United States hits a return during the men's singles quarterfinal match against Tommy Paul of the United States at the 2020 ATP Mexican Open tennis tournament in Acapulco, Mexico, Feb. 27, 2020. (Xinhua/Francisco Canedo)
In pics: men's singles quarterfinal match at 2020 ATP Mexican Open
Source: Xinhua| 2020-02-28 10:38:01|Editor: huaxia