
Marin Cilic of Croatia celebrates during the men's singles first round match between Marin Cilic of Croatia and Bernard Tomic of Australia at the 2019 Australian Open in Melbourne, Australia, Jan. 14, 2019. Marin Cilic won 3-0. (Xinhua/Hu Jingchen)

Marin Cilic of Croatia celebrates during the men's singles first round match between Marin Cilic of Croatia and Bernard Tomic of Australia at the 2019 Australian Open in Melbourne, Australia, Jan. 14, 2019. Marin Cilic won 3-0. (Xinhua/Hu Jingchen)