Novak Djokovic controversy as Serb accused of 'terrible behaviour' in Wimbledon final defeat

However, Djokovic found himself unable to cope with Alcaraz with the Spaniard producing one of the best matches of his career to reign supreme.

A clip has now surfaced appearing to show the 36-year-old shouting at a ballboy as his temper threatened to get the better of him.

And Britney Spears' husband Sam Asghari has now reacted to the footage and accused Djokovic of 'terrible behaviour'.

Sharing the clip on Instagram, he commented: "I hate seeing things like this.

"A champion is only a champion when they lead by example.

"You are not greater than others if you act like this.

"One day the ball boy will be champion and will never forget this.

"Terrible behaviour. I hope to never be like this."

Djokovic seemed riled up on Sunday as he missed out on the chance to add to his French Open and Australian Open titles won earlier in the year.

The Serb caused annoyance by taking his time with his serves, often going past the count.

He clearly felt he was the villain of the showdown, mocking fans for responding to one point won by Alcaraz.

And Djokovic received a warning after smashing his racket against the net in the fifth set as the match started to get away from him.

The 23-time Grand Slam winner was asked about his anger following the defeat.

He responded by downplaying the incident with his racket, saying: "There’s not much to talk about that.

"Second one was frustration. I had break points in the second game.

"Yeah, just tough, tough couple of points. He played amazing to break my serve, which was enough to win the fifth.

"The first one was the time violation, so yeah. Not a great moment again, but you just kind of have to accept it."

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Alcaraz, meanwhile, has admitted he's still struggling to come to terms with his victory.

"I still haven`t had time to process it, to talk to my family, to talk to my team about everything that`s happened. But the truth is that it was very, very exciting," he said.

"I still have the match-ball in my head, the cross-court forehand, Djokovic sliding over the side net, me rolling. It was a magical moment that I will never forget."

He added: "Maybe the history has changed a little bit, but I don't see it that way. Because as long as Rafa and Djokovic are around, they will still going to be the inspiration for everyone, they are still legends.

"In the future, when they retire, which I hope will be a long time from now, we'll talk about the new generations or the new era. But I think for now we still have to enjoy Djokovic and Rafa as much as we can."