I'm thankful to be able to team up with a company like USANA that cares about my well-being and I know we can do great things together.
I never give up. Doesn't matter what the score is.
I feel like everything is possible.
The only one I feel pressure from is myself to go and give my all for every match and, obviously, I'm a competitor.
I just go out there and fight for every point, and then we see how far I can go.
My parents paid me small amounts for cleaning my room or cleaning the dishes and stuff, but I never really had a real job before I started on my professional tennis career.
I do my best, and that's all I can do.
You feel better about yourself when you do something with yourself. You also feel more confident.
I have proven people wrong so many times. I was told when I was younger there is no chance I will make the top 100, top 50, top 30. Every time I have proven them wrong. It's kind of nice.
To be the world No. 1 has always been a dream for me.
You can't dwell in your past but move forward, look forward. That's it.
I think I'm a really tough player.
I'm the type of player I am.
My dad has always been my coach. And I've spent so much time with him. So he's one of my best friends. And I can talk to him about everything.
It's very expensive to be a professional tennis player with all the travel and the flights and the hotels and everything.
I believe the best in people. I believe if you need a bathroom break you go to the bathroom. If you need treatment, you get treatment. I don't think any rules should be changed.
My mom was always the support. I can always go out to her and she'll always find the positive in things.
My parents just always taught me to be reasonable.
Golf can be tougher than tennis when things go wrong, because you can't explain things by saying that your opponent played better than you. It's a cruel sport in that way.
I love winning. I don't like losing.
There's just nothing like playing on Arthur Ashe Stadium. It's truly amazing.
In Denmark lots of people come up to me for autographs.
I'm just taking one match at a time.
I start laughing every time because the media talks to me like I'm finishing my career and I only have one year left and time is running out.
I'd like to do a lot of things - whether in design or architecture or business.
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