THE MODERATOR: Rafa has just announced he’s withdrawing from the semifinal with Roger Federer due to a knee injury.
Rafa, can you tell us what happened today?
RAFAEL NADAL: No, nothing more than what you saw yesterday. As I said yesterday after the match, I felt that something happened in the knee and was not the moment to talk about that because remain 24 hours before the semifinal, and I wanted to try my best to be competitive today.
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