DOHA, QATAR - JANUARY 07: Novak Djokovic of Serbia celebrates his victory after winning the men's singles final match of Qatar ExxonMobil Open 2017 against Andy Murray (not seen) of Great Britain, at Khalifa International Tennis and Squash Complex in Doha, Qatar on January 07, 2017. (Photo by Mohammed Dabbous/Anadolu Agency/Getty Images)
