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TOKYO, JAPAN - OCTOBER 02: Kei Nishikori (L) of Japan and Donald Young (R) of the USA shake hands after their men's singles second round match on day four of Rakuten Open 2014 at Ariake Colosseum on October 2, 2014 in Tokyo, Japan. (Photo by Atsushi Tomura/Getty Images)

TOKYO, JAPAN - OCTOBER 02:  Kei Nishikori (L) of Japan and Donald Young (R) of the USA shake hands after their men's singles second round match on day four of Rakuten Open 2014 at Ariake Colosseum on October 2, 2014 in Tokyo, Japan.  (Photo by Atsushi Tomura/Getty Images)