Djokovic beaten by Tsitsipas in Shanghai Masters quarterfinals

Novak Djokovic (R) of Serbia hugs Stefanos Tsitsipas of Greece after the men's singles quarterfinal match between Novak Djokovic of Serbia and Stefanos Tsitsipas of Greece at 2019 ATP Shanghai Masters tennis tournament in Shanghai, east China, on Oct. 11, 2019. (Xinhua/Wu Gang)