Serbian Novak Djokovic (L) returns the ball against Spanish Rafael Nadal during their semi final match of the ATP Madrid Open claycourt tournament against on May 16, 2009 in Madrid. Getty Images logo Getty Images 6 months ago

Serbian Novak Djokovic (L) returns the ball against Spanish Rafael Nadal during their semi final match of the ATP Madrid Open claycourt tournament against on May 16, 2009 in Madrid.