Djokovic turns into a doctor to rescue en Henri Leconte during a legends match after the first 2013 Australian Open mens semifinal.

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

Murray, Thiem, Goffin, Firtz or Herbert try the Gong Challenge in London (ATP Finals/Masters).

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.

Drop shot from Ryan Harrison, Mardy Fish is on it but he is a little too fast and the net is too close. He can't stop and then...

Renzo Olivo loses his grip on a serve but still wins the point against Thomaz Bellucci in Santiago.