Tyson Fury has been handed a fresh deadline by Francis Ngannou, who is demanding a rematch after the upcoming fight with Oleksandr Usyk.
Ngannou is keen to fight Fury again by October following their close bout last year.
The MMA star almost pulled off one of the biggest shocks in boxing history in Saudi Arabia.
Ngannou, in his first professional boxing fight, knocked down Fury and only lost on a split decision.
Francis Ngannou is demanding a rematch with Tyson Fury this year
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Many believe the judges made the wrong decision and Fury was lucky to avoid his first career defeat.
Ngannou will step into the ring in March against former two-time world champion Anthony Joshua.
But he is already looking at the future and is demanding to fight Fury again, with the rematch clause having to be activated by October this year.
Ngannou told MMA Fighting: "I win this fight [against Joshua] and I’m fighting Fury period.
"Whether or not he has the belt. Our rematch term was within next year, so it’s going to be October this year.
"I just want to be free and fight, the thing is with the title is this is a system I don’t want to fall into anymore.
"You have to make a concession with an organisation, I don’t want that political stuff."
In a separate interview with TMZ Sports, Ngannou insists he does not want to fight Usyk and has his sights firmly on the Gypsy King even if he loses to the Ukrainian next month.
Ngannou said: "I’m not looking for the winner of Tyson Fury (and Usyk). I’m looking for Tyson.
"Tyson owes me a fight. I don’t give a s**t about the winner of Usyk and Tyson. I’m coming after Tyson. Win or lose, I want Tyson."
Ngannou takes on a rejuvenated Joshua, who has won three fights since last April.
The Brit has beaten Jermaine Franklin, Robert Helenius and Otto Wallin to get his career back on track following back-to-back defeats to Usyk.
But Ngannou is confident he can cause the 34-year-old problems, just like he did against Fury.
He said: "I think he’s still the same fighter but that doesn’t mean he can’t lose.
"He lost to Andy Ruiz and to Usyk. He can still lose by the way.
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Francis Ngannou wants to fight Tyson Fury again by October
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"If Joshua takes the punch that Fury took, I don’t guarantee that he is getting up from it.
"I have heard that he doesn’t have a chin, but we are going to find it."
The pair will step into the ring in Riyadh, Saudi Arabia on March 8.
But Ngannou is already eyeing up a rematch with Joshua in Africa.
He added: "At the end of the day, it’s great stuff for both of us.
"He could be my brother and I’d still fight him because it elevates us both, it elevates the sport, it elevates the continent.
Anthony Joshua has won three fights since last April
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"It’s not about a fight. You are not fighting somebody because you hate him, you fight him because it’s a challenge and the fight always elevates both fighters.
“Eddie Hearn said a lot of s**t, but one thing he said that makes sense is maybe a potential rematch in Africa with Joshua.
"I think that sounds cool. We will call that Black Excellence."