Going into 2010 Aus Open who was the defending champion?
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Rafael Nadal
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Roger Federer
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Fernando Verdasco
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Juan Martin Del Potro
A
Correct answer
Explanation
Rafael Nadal won the 2009 Australian Open, defeating Roger Federer in an epic five-set final. Therefore, he was the defending champion entering the 2010 tournament. Federer had won in 2010, making him a plausible distractor, but he was not the defending champion going into that year.