ISTANBUL, TURKEY - MAY 7: Marin Cilic (R) of Croatia raises the cup after winning the TEB BNP Paribas Istanbul Open Men's Single Final Tennis Match against Milos Raonic (L) of Canada at Garanti Koza Arena, in Istanbul, Turkey on May 7, 2017. Cilic wins the final game and becomes the champion.

 (Photo by Yasin Aras/Anadolu Agency/Getty Images)