<p>Nadal suffered from what appeared to be a hamstring injury, but the top seed refused to confirm any diagnosis."It was a difficult day for me, I tried my best, I could not do more," he said.<br /><br />"Tonight I think I played against a great player, a great opponent. Today I really can't do more than what I did. So, he played at a very high level, and I was not able to compete against him tonight."<br /><br />Nadal appeared close to tears in the closing stages of the loss after seeming to pick up the injury in the long, 17-minute second game of the match against his seventh-seeded opponent.<br /><br />"It is obvious that I did not feel at my best. I had a problem during the match, at the very beginning. After that, the match was almost over."<br /><br />"For me, it is difficult to come here and speak. In Doha (early January) I was not healthy (virus). Today I have another problem. Seems like I always have problems when I lose, and I do not want to have this image."<br /><br />"I prefer not to talk about that today."Nadal's loss sends Ferrer into the semi-final against 2010 finalist Andy Murray.<br /><br />"This is one of my bad moments," said Nadal. "One of the negative moments. That is part of the sport. I am a very lucky sportsman in my career.<br /><br />"I have to accept the fantastic moments that I had during a lot of years with the same calm as when I have problems. And if I am ready to accept both things, I am going to be able to come back and play my best tennis another time."</p>
<p>Nadal suffered from what appeared to be a hamstring injury, but the top seed refused to confirm any diagnosis."It was a difficult day for me, I tried my best, I could not do more," he said.<br /><br />"Tonight I think I played against a great player, a great opponent. Today I really can't do more than what I did. So, he played at a very high level, and I was not able to compete against him tonight."<br /><br />Nadal appeared close to tears in the closing stages of the loss after seeming to pick up the injury in the long, 17-minute second game of the match against his seventh-seeded opponent.<br /><br />"It is obvious that I did not feel at my best. I had a problem during the match, at the very beginning. After that, the match was almost over."<br /><br />"For me, it is difficult to come here and speak. In Doha (early January) I was not healthy (virus). Today I have another problem. Seems like I always have problems when I lose, and I do not want to have this image."<br /><br />"I prefer not to talk about that today."Nadal's loss sends Ferrer into the semi-final against 2010 finalist Andy Murray.<br /><br />"This is one of my bad moments," said Nadal. "One of the negative moments. That is part of the sport. I am a very lucky sportsman in my career.<br /><br />"I have to accept the fantastic moments that I had during a lot of years with the same calm as when I have problems. And if I am ready to accept both things, I am going to be able to come back and play my best tennis another time."</p>