Kei Nishikori huge backhand answer against Novak Djokovic in Madrid first round.

John Isner: ''I never could have imagine it. It's the best moment of my career''

Roger Federer was so moved during his speech after winning his 20th Grand Slam title at the Australian Open.

Simon Halep and Caroline Wozniacki speeches during the ceremony after their match in Final of the Australian Open.

After qualifying for the Australian Open Final, Roger Federer took almost 10 minutes for the on court interview with Jim Courier. He talked about Hyeon Chung, blisters, possibility of 20th Gran Slam, the womens Final Woniacki vs Halep, and his Final against Marin Cilic after went to vacations with him.