Tommy Fury has accused Jake Paul of being "scared" to reschedule their fight after the Brit pulled out with an injury in December.
Paul was forced to rematch former UFC welterweight champion Tyron Woodley after Fury broke a rib during training for their huge pay-per-view main event fight.
Both men were set to put their undefeated professional boxing records on the line in Florida, and in the meantime Paul managed to viciously knock out Woodley within six rounds.
But Fury was unimpressed with the performance, and has vowed to have the fight rearranged as soon as he is cleared to return to the ring.
Paul, on the other hand, is now more focused on his activism for increased fighter pay, and co-promoting a super-fight between Katie Taylor and Amanda Serrano in April.
And the social media star has said that he would rather wait until August or September for his next fight, and has refused to commit to facing Fury.
This has enraged the Love Island star who has claimed Paul never wanted to fight him.
"I really don't want to keep talking about this but I just can't stay silent after comments Jake Paul has made in a recent interview," said Fury, whose record stands at 7-0 to Paul's 5-0.
"I'm absolutely sick of Jake Paul saying that I was 'scared' to fight. I had a broken rib and a bacterial chest infection which left me completely medically unfit to box - as stated by multiple medical professionals.
"I'm now fit and healthy and have very clearly stated that I am ready to fight on a rescheduled date... but where is he?
"Me having to pull out the fight was the best thing that ever happened to him and he well knows my injury was legitimate.
"This man never wanted to fight me, if he did we'd have a rescheduled date for you all and the fight would be back on which is exactly what I want... The easiest fight of my career."
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And Fury has promised that he is going to make sure nobody claims he was the one afraid of taking the fight, as many have theorised.
The pressure was intense on the 22-year-old, whose brother Tyson is the world heavyweight champion and one of a number of top fighters in the family.
Tyson and his dad John had even joked that Tommy would be disowned by the Fury family if he were to lose to Paul, which led many fans to feel the pressure had got to the Brit.
But he insists that it isn't the case, and has provided medical documents in the past to prove that he had in fact suffered a broken rib during training.
"I'm not going to allow him to use the excuse 'Tommy was scared' any longer," Fury continued. "I think we can all agree now that the only person that looks scared is him.
"That's all I'm saying on the matter."