Novak Djokovic, Rafael Nadal and other players at the Australian Open get to decide whether they want to disclose injuries before they compete. Some are more forthcoming than others. Some go back and forth. Djokovic announced right after one match in Melbourne he had a torn muscle but later said he isn’t comfortable talking about his health. Players are not required to reveal anything to the media. But Grand Slam rules do dictate that anyone withdrawing before a singles match, or quitting during one, must be seen by a tournament doctor. That way, whatever reason was cited can be verified before prize money is paid.
