He told K1: “About 15 years ago Federer attacked my son when he was still young, he was 18 or 19 years old.
“I knew someone would be there who would be better than him. So I said that [Federer] was a great champion, the best at the time.
“But as much as he is a great champion, Federer is not such a good man.”
Djokovic has now responded to the comments by his father, insisting he doesn’t always agree with he has to say.
