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

Furious Errani accuses Cornet for saying Vamos!

Roger Federer and Jo-Wilfried Tsonga dancing with the mascot during an exhibition match in Sao Paulo. The Swiss tried some Moonwalk.

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)

Damir Dzumhur gives everything to get Grigor Dimitrov's drop shot at Queens. A little bit too much apparently.

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