Novak Djokovic doesn't realize he broke a string during his semifinal against Kei Nishikori in Rome.

Grigor Dimitrov Serve Challenge. The Bulgarian try to serve in the box blindfolded. It doesn't seems that hard in the end.

Andy Roddick imitates Serena Williams during an exhibition night in Toronto. Serena Williams herself, Milos Raonic and Agnieszka Radwanska also took part to this event. (2012-11-16)

Noah Rubin destroy his shoe in Washington, D.C., pushing off to sprint for a ball against John Isner.

French open in the rain with Novak Djokovic

Andy Roddick imitates Rafael Nadal during an exhibition night in Toronto. Milos Raonic, Serena Williams and Agnieszka Radwanska also took part of this event. (2012-11-16)