Novak Djokovic has sent a classy message to Rafael Nadal, Roger Federer and Andy Murray and says a ‘part of me left with them’ amid their retirements. Nadal, 38, will hang up his racket after the upcoming Davis Cup Finals in Malaga,

Novak Djokovic paid tribute to Rafael Nadal as his great rival confirmed his retirement from tennis at the end of the season. Djokovic and Nadal met a record 60 times across almost two decades in one of the greatest rivalries of the modern era.

Speaking at the Shanghai Masters, Djokovic commented on Nadal's retirement decision: "He has been my greatest rival, and my rivalry with him has impacted me the most in my career by far. We knew that moment was coming sooner than later,