
Milos Raonic of Canada returns a shot to Alexander Zverev of Germany during their quarterfinal match of men's singles at the Italian Open tennis tournament in Rome, Italy, May 19, 2017. Milos Raonic lost 0-2. (Xinhua/Jin Yu)

Milos Raonic of Canada returns a shot to Alexander Zverev of Germany during their quarterfinal match of men's singles at the Italian Open tennis tournament in Rome, Italy, May 19, 2017. Milos Raonic lost 0-2. (Xinhua/Jin Yu)