It's more a tennis problem than a mental problem. The transition is difficult. It depends how much time you have. Playing on grass can sometimes be a bit of a lottery.

I normally listen to Spanish music - well, Latin music. I like a lot of singers...

However great your dedication, you never win anything on your own

For me, it is important to win titles and for that I need to work hard, stay healthy and be able to compete. The rest, I always say, it comes.

Since I was a kid, I've wanted to do sports for a living. In the beginning, I played a lot of soccer, but in the end I chose tennis. I love sports in general ... But tennis is my passion.

Today people hit the ball with much more strength. Almost every player is capable of playing a winning stroke from any position. This means the balls arrive more quickly. If you want to reach them, you have to slow down from a high speed or suddenly change direction. These are moments when you can injure yourself, and that's what wears us out.

Hard courts are very negative for the body. I know the sport is a business and creating these courts is easier than clay or grass, but I am 100 per cent sure it is wrong.