Novak Djokovic comments on his 'big rivalry' with Rafael Nadal

Novak Djokovic has acknowledged that Rafael Nadal is his biggest rival and expressed hope to play the Spaniard many more times on the biggest stage. Djokovic, 35, and 36-year-old Nadal have clashed 59 times over the course of their careers.Their head-to-head couldn't be any tighter as Djokovic owns a narrow 30-29 lead in their head-to-head records.So far this season, Djokovic and Nadal have clashed only once as the Spaniard beat the Serb en route to winning a record 14th French Open title.&