'I think as a guy you need a little bit to be on your own from early on, to start to live your own life, and try to understand what is going on around you, you have to be able to survive...

I love tennis, but I just don't like grass.

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

Don't get too excited when I am winning, and don't get too depressed when I am losing. Just keep it cool.

I definitely want to get out of tennis and try something completely different.

I can improve it a little bit. But it's my head, it's the way I am. So at the end of the day, I will be who I am and I will win how much I can win.

It is very hard for me to switch from clay to grass.