Novak Djokovic beats Peter Polansky 2-0 at 2018 Rogers Cup

Novak Djokovic (R) of Serbia returns the ball to Peter Polansky of Canada during the second round of men's singles match at the 2018 Rogers Cup in Toronto, Canada, Aug. 8, 2018. Novak Djokovic of Serbia won 2-0. (Xinhua/Zou Zheng)