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!

Svetlana Kuznetsova Cuts Hair Mid-Match | 2016 WTA Finals Singapore

One of the ball boys makes an amazing catch during the Federer Nadal Semifinal match at the Australian Open. Then there was a cricket reference to Ricky Ponting, and the crowd goes crazy!

Fabio Fognini is inimitable. The Italian had fun by pulling down the chair umpire's sock during his last match in London.

Roger Federer and Rafael Nadal can't stop laughing during filming a tv spot. The goal was made to promote two charity matches between the Swiss and the Spanish during 2010 offseason.