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).

A real showman this guy!

Alexander Zverev gives a hug to a line judge during his match against Roger Federer in Rome.

Federer's Dad defeats Roger

Francesca Schiavone hit a winning drop shot as the ball from Zhu Lin hit the ground before to pass the net. But the chair umpire didn't see it and the Chinese tell that she don't know anything about it.