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

The one thing you can do for sure is push the luck on your side

I have two lives, and all the problems I might have, I feel like I drop them once I step on to the match court.

I can't stay No. 1 for fifty years, you know. We'll see what happens.

I am a sucker for those old traditional places, and Rome is as good as it gets, particularly when you throw in Italian food.

I've done so many interviews over the years in so many different languages. Radios. Papers. Magazines. There's always another interview to do. It's quite something, I have to say.