As a tennis player you can win and you can lose, and you have to be ready for both. I practised self-control as a kid. But as you get older they both….

I am afraid of a lot of things. A dog. I could be afraid of a dog that's upset, for example. And on the tennis courts, maybe on the outside I look fe….

Tennis is beautiful when you can see tactics, when players don't just react but are able to act and think..

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 humili….

I'm not the best player in the history of tennis. I think I'm amongst the best. That's true. That's enough for me..

I always work with a goal - and the goal is to improve as a player and a person. That, finally, is the most important thing of all..

Everybody likes to say that Roger Federer is the Greatest Player of all time because its so nice to watch him play...but you have got to throw in Nad….

I think I am a complete player. I can play well on all the surfaces. For me, the clay might be easiest, but I am not a specialist on clay..

If you are healthy, you can work. If you can work, then the chances of success are higher..

My motivation is tomorrow, just one day at a time, right?.

When you get older, if you are healthy, is not a problem. If you don't have the health, then you go home..

My motivation and aspiration is the same, being number one or being number five. So that's the truth. And my goal is the same - it's to always be hap….

I'd rather lose an argument than get into a long discussion in order to win it..

My goal is to improve my game, stay healthy and be competitive. If I have that, I know I can be able to win tournaments, which in the end is what it ….

I appreciate a lot in this life; the things you cannot buy. Life is only once. I am happy being here and all the things that are a risk I normally av….

For sure, with golf it's not a physically demanding sport like tennis. That's what makes tennis great - you combine both things. It's a very mental s….

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

I played almost four hours today, ... Im very, very tired..

I don't expect never an easy match. I always expect difficult matches..

I am lucky because my family are comfortably off. My father has his own glass business..

If you are playing bad you are going to lose here, on clay, on ice, or on the beach..