Rafa Nadal and an unusual moment in his debut in Australia 0:45
(CNN) --
Defending Australian Open champion Rafael Nadal was knocked out of the tournament in the second round.
The 22-time Grand Slam champion faced American Mackenzie Mcdonald in Melbourne on Wednesday, trailing a set when he withdrew with a hip injury.
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After a medical timeout, he decided to continue, but unable to fully move, Nadal was eliminated in straight sets by a score of 6-4, 6-4, 7-5.
This is only the second time since 2007 that the Spaniard has exited the Australian Open so early in the tournament.
Rafael Nadal
