Rafael Nadal beats Dominic Thiem 3-2 at US Open men's quarterfinal match

Dominic Thiem of Austria hits a return during the men's quarterfinal match against Rafael Nadal of Spain at the 2018 US Open tennis championships in New York, the United States, Sept. 4, 2018. Rafael Nadal won 3-2. (Xinhua/Li Muzi)?