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MELBOURNE, AUSTRALIA - JANUARY 21: Rafael Nadal of Spain celebrates winning his second round match against Tim Smyczek of USA during day three of the 2015 Australian Open at Melbourne Park on January 21, 2015 in Melbourne, Australia. (Photo by Hannah Peters/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 21:  Rafael Nadal of Spain celebrates winning his second round match against Tim Smyczek of USA during day three of the 2015 Australian Open at Melbourne Park on January 21, 2015 in Melbourne, Australia.  (Photo by Hannah Peters/Getty Images)