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BRISBANE, AUSTRALIA - JANUARY 07: Kei Nishikori of Japan serves to Tomas Berdych of the Czech Republic during day four of the Brisbane International 2009 at the State Tennis Centre on January 7, 2009 in Brisbane, Australia. (Photo by Ezra Shaw/Getty Images)

BRISBANE, AUSTRALIA - JANUARY 07:  Kei Nishikori of Japan serves to Tomas Berdych of the Czech Republic during day four of the Brisbane International 2009 at the State Tennis Centre on January 7, 2009 in Brisbane, Australia.  (Photo by Ezra Shaw/Getty Images)