I used to wear sleeveless T-shirts all the time on court, but now I've got a brand new look - I've moved on to polo shirts. Sleeveless T-shirts give you real freedom of movement and they keep you cooler in matches, but I just thought it was time for a change.

If I am not playing at one hundred percent, it is going to be very difficult for me to win.

I am going to fight for important things.

I would like to believe there is a God, but I think it is better to say I'm not sure there is a God and live your life with kindness and respect for people than to say I know there is a God and then do bad things.

New York is a special place; it's a city that I love.

In your career you have a lot of good moments and bad ones. The important thing is to have enough motivation to keep working all the days with humility and trying to be a better player than before. I am going to try to continue doing this.

I've stayed calm when I'm winning and I've stayed calm when I've lost. Tennis is a sport where we have a lot of tournaments every week, so you can't celebrate a lot when you have big victories, and you cannot get too down when you're losing, as in a few days you'll be in the next tournament and you'll have to be ready with that.