Highlights of men's singles second round match at 2019 ATP Shanghai Masters

Novak Djokovic of Serbia competes during the men's singles second round match between Novak Djokovic of Serbia and Denis Shapovalov of Canada at 2019 ATP Shanghai Masters tennis tournament in Shanghai, east China, on Oct. 9, 2019. (Xinhua/Wu Gang) (Xinhua/Ding Ting)