DOHA, QATAR - JANUARY 07: Rafael Nadal of Spain (C) is in action against Andrey Kuznetsov (not seen) of Russia during the Qatar ExxonMobil Open 2016 mens single quarter-finals' final match at Khalifa International Tennis & Squash Complex in Doha, Qatar on January 07, 2016. (Photo by Mohamed Farag/Anadolu Agency/Getty Images)
