Boxing star branded 'Donald Trump of the sport' after refusing to accept defeat - 'I didn't lose'

KSI has repeatedly insisted he didn't deserve to lose, with the 30-year-old previously lodging an appeal that was then dismissed.

And he reitorated those claims while appearing on the Jonathan Ross show, making it clear he feels the judges got it wrong.

Ross asked KSI: "You were undefeated until you fought - and you will know him from Love Island - Tommy Fury in the ring and then you lost on points."

Yet the YouTuber then responded by saying: "Well, I technically don't believe that I lost. I still think I won."

Comedian Whitehall was also appearing on the show.

And he mocked KSI's claims, ruthlessly saying: "You're like the Donald Trump of boxing."

KSI was also told 'delusion is a great thing' and then said: "Yes, it definitely is. But I didn't lose."

The 30-year-old pledged to take a break from boxing after his fight with Fury.

However, he's since confirmed he will be fighting this year with the boxing star eyeing a showdown for the summer.

When quizzed on his plans, however, KSI kept his cards close to his chest.

"You never know. I might dibble and dabble. I might fight again this year," he added.

Back in December, meanwhile, KSI said 'life wasn't fair' and said it 'sucked' that judges 'took that moment away from me'.

"I had trained so hard these past few months, working overtime to do what most people saw was impossible and that was to beat Tommy Fury," said on his YouTube channel.

"I felt like I won the fight so to have the judges completely take that moment away from me, it sucked.

"As soon as I got back home I was angry and disappointed and eventually I just broke down and started crying.

"It wasn't fair, but life isn't fair, am I right?

"I looked back at the fight and I tried to find any highlights, any showings of Tommy Fury beating me in that fight and it was just hard to see any.

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"It was crazy because so many people thought I won the fight, from Eddie Hearn to [Israel] Adesanya to Ariel Helwani, to the millions all over the internet who thought I won the fight."

KSI did, at least, insist he felt better for the fight because of all the pressure being on his opponent instead.

"I feel much better, in terms of the Tommy Fury fight, I feel like I've come out better, much better than he is, I would much rather be in my position than his, but it's nice to know that my fight with Tommy Fury will be the biggest fight he'll ever have in his life," he continued.

"The fact that Tommy Fury was unable to knockout a YouTuber who has been boxing for about three years is actually hilarious.

"Tommy has essentially been boxing all his life and he struggled to even jab me, even with everything in his favour like the venue, the weight, the rehydration clause, he was able to just balloon to 200lbs on fight night, even with all of that, he wasn't able to get rid of me convincingly."