
Gael Monfils of France reacts during men's single's second round match between Gael Monfils of France and Taylor Fritz of the US at 2019 Australian Open at Melbourne Park in Melbourne, Australia, on Jan. 16, 2019. (Xinhua/Bai Xuefei)

Gael Monfils of France reacts during men's single's second round match between Gael Monfils of France and Taylor Fritz of the US at 2019 Australian Open at Melbourne Park in Melbourne, Australia, on Jan. 16, 2019. (Xinhua/Bai Xuefei)