Novak Djokovic furiously pleaded with a chair umpire to remove a troublemaker during their second round match at the australian open on Thursday, after claiming the man was «drunk.»

The explosive moment came during the fourth set of his match against Frenchman Enzo Couacaud after repeated interruptions by a spectator, who was among a group dressed as the famous character from the children’s book «Where’s Waldo?»

Fans in the crowd dressed as ‘Where’s Waldo?’ Costumes are seen during the match between Novak Djokovic and Enzo Couacauo at the Australian Open on January 19, 2023 in Melbourne.
(Darian Traynor/Getty Images)

In the third set, a fan jumped into Djokovic’s defense, yelling «shut up!» which he interrupted after he yelled during the service.

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But the 21-time Grand Slam champion had enough in the fourth set.

Novak Djokovic speaks to the chair umpire during his match against Enzo Couacaud at the Australian Open in Melbourne on January 19, 2023.

Novak Djokovic speaks to the chair umpire during his match against Enzo Couacaud at the Australian Open in Melbourne on January 19, 2023.
(Anthony Wallace/AFP via Getty Images)

«Can you get this guy out?» Djokovic asked as he approached chair umpire Fergus Murphy.

«All night, all night…and what are you going to do about it? Please answer.»

«You’re kidding,» Djokovic laughed in disbelief as Murphy seemed to shake his head.

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«You know who it is,» Djokovic said, pointing out into the crowd, apparently in the direction of the interrupter. «The guy is completely drunk. From the first moment he has been provoking [me]. Provocateur: He’s not here to watch tennis. He just wants to get into my head. So I ask you, what are you going to do about it? You heard it at least 10 times. I listened to it 50 times. What are you gonna do about it?»

Novak Djokovic argues with the chair umpire over a stoppage time during the Australian Open in Melbourne on Thursday, January 19, 2023.

Novak Djokovic argues with the chair umpire over a stoppage time during the Australian Open in Melbourne on Thursday, January 19, 2023.
(AP Photo/Aaron Favila)

Djokovic continued to plead his case, asking the official to seek safety. to remove the fan but apparently walked away defeated.

But the fan, along with the other «Waldos», were eventually approached by security and removed.

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Fans in the crowd dressed as 'Where's Waldo?'  Costumes are seen during the Djokovic-Couacauo match at Rod Laver Arena during the Australian Open on January 19, 2023 in Melbourne.

Fans in the crowd dressed as ‘Where’s Waldo?’ Costumes are seen during the Djokovic-Couacauo match at Rod Laver Arena during the Australian Open on January 19, 2023 in Melbourne.
(Darian Traynor/Getty Images)

Djokovic would win the match 6-1, 6-7(5), 6-2, 6-0, but continues to battle what he revealed was a significant hamstring injury.

«I’m worried. I mean, I can’t say I’m not. I have reason to be worried,» he said after the game. «There are two options: quit or move on. So I’m going to move on.»

Associated Press contributed to this report.