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.

With Federer announcing his retirement in 2022 and Murray calling time on his career after the Olympics, Djokovic will soon be the only active player from the 'Big Four' that dominated the sport for m