I pass through the difficult moments in life, really difficult times on grass, during my seven years of my career. All of a sudden I felt comfortable.

Many say that (Pete) Sampras is the greatest player. But I say with all due respect to the rest, that he (Roger Federer) is the most complete player in the world so far.

I'm not fighting with myself.

I try to do my best to have fun off the court.

It was really impossible to break through in Russia. We couldn't buy any balls. We really didn't have any courts, no rackets, nothing. And no people to practice with.

The Olympics is not for tennis and tennis does not need the Olympics. It is not my goal in life to win a gold medal.

Probably I'll not be so successful if I will keep everything in myself inside of me.