TOKYO, JAPAN - OCTOBER 05:  Kei Nishikori of Japan gives a hug to his coach Michael Chang in the audience after winning the men's singles final match against Milos Raonic of Canada on day seven of Rakuten Open 2014 at Ariake Colosseum on October 5, 2014 in Tokyo, Japan.  (Photo by Koji Watanabe/Getty Images)