He thrashed Daniil Medvedev to claim a record-extending ninth Australian Open title on Sunday.
"I don’t like him at all, so it’s fun."
The Serbian tennis player has hit back after the Aussie labelled him a "tool" last month.
Australian Open Chaos: Kyrgios Calls Djokovic 'Tool' After Quarantine Demands, Takes Shot At Tomic's Girlfriend
The Australian tennis star said other players complaining about Australia's hotel quarantine are ‘ridiculous’.
Djokovic inadvertently hit the judge in reaction to losing a point to Pablo Carreno Busta.
His event was meant to help people affected by the pandemic, instead it could halt the return of professional tennis.
The Adria Tour exhibition tournament witnessed packed stands during the opening leg in Belgrade and players hugging at the net.
The world's top men's tennis player said he's "opposed to vaccination" and "wouldn't want to be forced" to get one to resume playing.
The Djoker was beaten by an Uzbek ranked 117 in the world.
He's now won three of the four grand slams.