Alexander Zverev of Germany hits a return during the men's singles fourth round match between Alexander Zverev of Germany and Diego Schwartzman of Argentina at the 2019 US Open in New York, the United States, Sept. 2, 2019. (Xinhua/Li Muzi)
US Open 4th round: Alexander Zverev vs. Diego Schwartzman
Source: Xinhua| 2019-09-03 13:51:47|Editor: Yamei
