
Rafael Nadal of Spain celebrates during the men's singles match against Nick Kyrgios of Australia at the Australian Open tennis championship in Melbourne, Australia on Jan. 27, 2020. (Xinhua/Bai Xuefei)

Rafael Nadal of Spain celebrates during the men's singles match against Nick Kyrgios of Australia at the Australian Open tennis championship in Melbourne, Australia on Jan. 27, 2020. (Xinhua/Bai Xuefei)