ISTANBUL, TURKEY - APRIL 30: Grigor Dimitrov (C) of Bulgaria is in action against Andrey Golubev of Kazakhstan during the singles Second Round of TEB BNP Paribas Istanbul Open at Garanti Koza Arena on April 30, 2015, in Istanbul, Turkey. Dimitrov won the match with the score of 2-0. (Photo by Berk Ozkan/Anadolu Agency/Getty Images)
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