Filip Krajinovic of Serbia serves during the men's singles quarterfinal match against Juan Martin Del Potro of Argentina at China Open tennis tournament in Beijing, China, Oct. 5, 2018. Del Potro won 2-0. (Xinhua/Kong Hui)
China Open: men's and women's singles quarterfinals
Source: Xinhua| 2018-10-05 18:48:40|Editor: mmm
