
Tyson Fury says Oleksandr Usyk "knows" he is the only man who can end the Ukrainian's reign as undisputed heavyweight champion.
Usyk added the IBF belt back to his WBC, WBA and WBO belts with a devastating fifth-round stoppage of Daniel Dubois at Wembley Stadium on Saturday night.
Fury has suffered two points defeats to Usyk, which are still being angrily questioned by the British star, who remains certain that he can topple the unbeaten 38-year-old.
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In an expletive-laden post on Instagram, Fury said: "Massive shoutout to Oleksandr Usyk. He did a fantastic performance over Daniel Dubois, a good, young, game lad who came for a good tear up.
"Congratulations to both men, but Usyk knows there is only one man who can beat him. I've done it twice before and the world knows it."
Fury retired from the sport following December's rematch defeat to Usyk, but boxing kingpin Turki Alalshikh has revealed the 36-year-old had told him of his intention to fight next year.
Fury - who has recently posted footage of himself back in the gym with trainer SugarHill Steward - recorded his social media post while out running instead of attending the Usyk and Dubois' undisputed bout in London.
"I'm not ******* at some boxing match, I'm out on the road running," Fury added. "I came home. I done my job and I got myself back.
"I'm the man. I'm the Spartan. No matter what anyone wants to say, I won those fights, guaranteed, 100 per cent."
'Wembley, here we come!'
Fury followed his original post with a more detailed reaction to Usyk's victory and how it left a trilogy bout against the Ukrainian, purportedly scheduled for April 18 at Wembley, as the only viable option.
"After watching the boxing last night and reflecting on the situation," Fury added, "AJ boxed Daniel Dubois recently and got ironed out, knocked down five times, flattened.
"Dubois was on a great run, three big knockouts in a row, including Joshua and [Filip] Hrgovic and [Jarrell] Miller, and he goes in there and gets absolutely plastered, iced out by Usyk.
"AJ got ironed out by Dubois properly and Usyk just ironed out Dubois. So, it just shows, there's all the big fights - [like] Tyson Fury and AJ - but it's quite pointless.
"The only man who's been able to beat this ****** is myself and been ripped off. I'm not sure what's going on, but you know what it is?
"GK [Gypsy King] all day, every day, still the top dog, still the top G. Beat him twice and I'll do it again. Wembley, here we come."
Dubois joined Fury and Anthony Joshua in becoming the third British fighter to lose twice to the 6ft 3in southpaw Usyk.
After victory at Wembley, a jovial Usyk hinted at another showdown with Fury or Joshua during his post-fight interview.
"Next? I don't know. I want to rest. Yeah, Derek [Chisora] here? I don't know," Usyk reflected before his next answer sparked enormous cheers.
"Maybe Tyson Fury?
"Three options, Derek Chisora and Anthony Joshua. Maybe Joseph Parker. Listen, I cannot say because I want to go back home."
(c) Sky Sports 2025: Tyson Fury says undisputed heavyweight king Oleksandr Usyk knows only he can beat him