The serve, I think, is the most difficult, you know, in terms of coordination, because you got the two arms going, and you got to toss it up at the right time so.

When you're good at something, make that everything

I've always been aware that the image you patiently construct for an entire career can be ruined in a minute. It scares you a bit, but that's the way things are.

The week before the (US Open) I gave a few interviews for CNN, USA Network, New York Times, USA Today and Sports Illustrated which had been arranged beforehand. The reason for giving these interviews is not only because working with the media is just part of the job, it is much more my desire to contribute to the promotion of tennis in the U.S.

My game is a lot about footwork. If I move well, I play well.

To handle that stardom, the red carpets, the photo shoots, people all of a sudden recognizing you and following you in everyday life, it's a bit weird. It's strange, and it can have funny effects on you in terms of do you like it or don't you like it. Some people run away from it, some people embrace it; I found a good middle ground.

My wife doesn't like Football but she watches it just for Messi.