Highlights of 2019 Australian Open day 9

Stefanos Tsitsipas celebrates after winning the men's singles quarterfinal match between Roberto Bautista Agut of Spain and Stefanos Tsitsipas of Greece at the 2019 Australian Open in Melbourne, Australia, on Jan. 22, 2019. Stefanos Tsitsipas won 3-1. (Xinhua/Bai Xue)