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

French open in the rain with Novak Djokovic

Grigor Dimitrov gets more than he bargained for after blowing out the candles on his 23rd birthday cake. His coach, Roger Rasheed, had another idea for him.

Watch how Ivan Dodig knocked out Marcelo Melo in Miami's double.

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

Federer's Dad defeats Roger