The serve is the only thing you know about yourself when you play tennis. If you make it right, you make it right. Nobody can touch you when you serve. Nobody can disturb you. You have the ball in the hand.

The only explanation on what's happened today is my opponent was better than me.

You know, the girls, they are more unstable emotionally than us. I'm sure everybody will say it's true even the girls (laughter). No? No, you don't think? I mean, it's just about hormones and all this stuff. We don't have all these bad things, so we are physically in a good shape every time, and you are not. That's it.

The serve is the only thing you know about yourself when you play tennis. If you make it right, you make it right. Nobody can touch you when you serve. Nobody can disturb you. You have the ball in the hand.