Nadal sets up Federer clash at BNP Paribas Open semis

Switzerland's Roger Federer serves during the men's singles quarterfinal match against Poland's Hubert Hurkacz at the BNP Paribas Open tennis tournament in Indian Wells, the United States, March 15, 2019. Federer won 2-0 and advanced to the semifinal. (Xinhua/Li Ying)