MELBOURNE, AUSTRALIA - JANUARY 20: Rafael Nadal of Spain celebrates winning the second set in his fourth round match against Kei Nishikori of Japan during day eight of the 2014 Australian Open at ... more 
MELBOURNE, AUSTRALIA - JANUARY 20: Rafael Nadal of Spain celebrates winning the second set in his fourth round match against Kei Nishikori of Japan during day eight of the 2014 Australian Open at Melbourne Park on January 20, 2014 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images) less 
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Getty Images | Photo By Scott Barbour / Getty Images
Mon, Jan 20, 2014 2:18 AM EST