MELBOURNE, AUSTRALIA - JANUARY 17: Novak Djokovic of Serbia plays a backhand in his third round match against Denis Istomin of Uzbekistan during day five of the 2014 Australian Open at Melbourne Park ... more 
MELBOURNE, AUSTRALIA - JANUARY 17: Novak Djokovic of Serbia plays a backhand in his third round match against Denis Istomin of Uzbekistan during day five of the 2014 Australian Open at Melbourne Park on January 17, 2014 in Melbourne, Australia. (Photo by Matt King/Getty Images) less 
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Getty Images | Photo By Matt King / Getty Images
Fri, Jan 17, 2014 6:44 AM EST