Djokovic and Berdych play their quarterfinal match at the French Open

Tomas Berdych of the Czech Republic gestures to the chair umpire during his French Open men's quarterfinal match against Novak Djokovic of Serbia at Roland Garros in Paris on June 2, 2016. Djokovic defeated Berdych 6-3, 7-5, 6-3 to advance to the semifinals. Photo by David Silpa/UPI