Tomas Berdych(L) of Czech Republic communicates with Novak Djokovic of Serbia after their men's singles quarterfinal during Day 9 of the Wimbledon Championship 2017 in London, Britain on July 12, 2017. Tomas Berdych advanced to the semifinal after Novak Djokovic retired in the second set due to injury. (Xinhua/Jin Yu)
