Grigor Dimitrov of Bulgaria returns the ball during the men's singles quarterfinal match against Belgium's David Goffin at the Australian Open tennis championships in Melbourne, Australia, Jan. 25, 2017. Dimitrov won 3-0. (Xinhua/Bai Xue)
Grigor Dimitrov of Bulgaria returns the ball during the men's singles quarterfinal match against Belgium's David Goffin at the Australian Open tennis championships in Melbourne, Australia, Jan. 25, 2017. Dimitrov won 3-0. (Xinhua/Bai Xue)