Highlights of 2019 Australian Open day 9

Frances Tiafoe of the United States hits a return during the men's singles Quarterfinals match between Rafael Nadal of Spain and Frances Tiafoe of the United States at the 2019 Australian Open in Melbourne, Australia, on Jan. 22, 2019. Rafael Nadal won 3-0. (Xinhua/Lui Siu Wai)