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MELBOURNE, AUSTRALIA - JANUARY 20: Fans watch Kei Nishikori of Japan in his second round match against Austin Krajicek of the United States during day three of the 2016 Australian Open at Melbourne Park on January 20, 2016 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 20:  Fans watch Kei Nishikori of Japan in his second round match against Austin Krajicek of the United States during day three of the 2016 Australian Open at Melbourne Park on January 20, 2016 in Melbourne, Australia.  (Photo by Cameron Spencer/Getty Images)