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BRISBANE, AUSTRALIA - DECEMBER 30: Grigor Dimitrov of Bulgaria celebrates victory after defeating Robin Haase of the Netherlands during day two of the 2014 Brisbane International at Queensland Tennis Centre on December 30, 2013 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)

BRISBANE, AUSTRALIA - DECEMBER 30: Grigor Dimitrov of Bulgaria celebrates victory after defeating Robin Haase of the Netherlands during day two of the 2014 Brisbane International at Queensland Tennis Centre on December 30, 2013 in Brisbane, Australia.  (Photo by Bradley Kanaris/Getty Images)