
Novak Djokovic (R) of Serbia and his younger brother and teammate Djordje Djokovic embraces each other after competing in the men's doubles quarterfinal against Jack Sock of the United States and Vasek Pospisil of Canada at the China Open tennis tournament in Beijing, China, Oct. 8, 2015. Novak Djokovic and Djordje Djokovic lost the match 0-2. (Xinhua/Xing Guangli)















