Canada's Milos Raonic competes during the men's singles quarterfinal match against Spain's Rafael Nadal at the Australian Open tennis championships in Melbourne, Australia, Jan. 25, 2017. (Xinhua/Bai Xue)
Canada's Milos Raonic competes during the men's singles quarterfinal match against Spain's Rafael Nadal at the Australian Open tennis championships in Melbourne, Australia, Jan. 25, 2017. (Xinhua/Bai Xue)