Novak Djokovic will be undisputed tennis GOAT if he wins 'a few more slams', says Roger Federer's ex-coach Ivan Ljubicic
Novak Djokovic will be the undisputed tennis GOAT if he wins «a few more Slams», reckons Roger Federer's ex-coach Ivan Ljubicic. Djokovic moved clear of Rafael Nadal onto 23 men's slams with his recent triumph at the French Open, and the Serbian could go two clear when he steps out at Wimbledon next month, as he aims to land a record-equalling eight title — tied with Federer.