Novak Djokovic of Serbia hits a forehand against Nikolay Davydenko of Russia during day six of the Western & Southern Open at Lindner Family Tennis Center on August 16, 2012 in Mason, Ohio. (Photo by Nick Laham/Getty Images)
Novak Djokovic of Serbia hits a forehand against Nikolay Davydenko of Russia during day six of the Western & Southern Open at Lindner Family Tennis Center on August 16, 2012 in Mason, Ohio. (Photo by Nick Laham/Getty Images)