My injury happened during the match, ... I went to hit an overhand and it felt like I basically hyper-extended my back. I couldn't really move very well after that, and it felt very stiff.

I don't think I'll be intimidated but, you know, it's obviously a very big match for me,

I could add variation to my game, but I'm going to win matches only when I hit those winners. I enjoy hitting the ball as hard as I can. I enjoy taking risks. And I believe you always have to take risks.

Not many people know, but my joints are extremely hypermobile, and that's why I'm more prone to injuries. That's why most of my major injuries were with the joints. I had a career-threatening wrist injury where picking up a fork to feed myself was a problem, and the thought of playing tennis again was so far from my mind.

Tennis is like, it gives you a lot of chances, but if you don't take those chances, it takes a lot of chances away from you. It's just the scoring pattern. We cannot dwell over a loss or a win for very long. We have no time to celebrate; we have no time to dwell; we have to move on. Wake up the next day and try and win the match.

We're hoping that he might have just hyper-extended it and that he will be okay.