Anthony Joshua saw Alexander Povetkin as "the greatest weight of his profession" and didn't watch the ongoing triumph of Tyson Fury, said his promoter Eddie Hearn.

The assembled best on the planet did not give careful consideration to his heavyweight rivals amid another tight preparing camp to protect his next title against WBA necessary challenger Alexander Povetkin at Wembley Stadium on September 22.

Negotiations for the unification fight against WBC champion Deontay Wilder have failed, with America alternatively attending to the prevailing Fury factors over Francesco Pianeta to problem a project, but Joshua has averted hypothesis approximately his personal destiny plans as he prepares for Povetkin.

"His thoughts frame is surely focused," Hearn informed Sky Sports. "I do not suppose he took a good deal hobby inside the outside global round this combat, because he knew what changed into at stake.

"Obviously human beings have told him that he would possibly fight the [winner] of Fury-Wilder, but he's going to only concentrate on what we do.

"I think it's the toughest fight in his career, because what's unanimous, what is being discussed by humans behind this. I consider it the most important war of his career so far.

"If I were Povetkin, I would really like what happened. An ordinary person could say," How should AJ be in the right mind body now to fight Povetkin, when all this happened to him? "Everyone talks about this, asking questions about it is very difficult for him."

Wilder joined Fury inside the ring to announce their purpose to fight, with the date and place to be introduced, however Hearn found out that Joshua turned into blind to the victory of his English rival in Belfast.

"I said to him, 'Do you watch that?' and he stated 'What?'

"That night time and I stated, 'Fury combat?' He said 'No, what came about?'

He become so focused in this camp, because he knew about Povetkin. The humans in boxing understand about Povetkin. Whoever you ask in boxing is going: 'This is a difficult battle.'

"I do not assume he is inside the temper to think about different matters, talking approximately different matters, outdoor Povetkin."

Hearn said Joshua nonetheless desired to make Wilder fight, but fears that talks could not be saved, and Dillian Whyte had emerged as a pioneer for the following fight, which should be agreed inside four weeks after the defense of the Povectin identify.

"[Joshua] wishes, however he is no longer interested by time wasters," said Hearn.

"We have made a joint agreement based on all the phrases they agreed to, and that they nevertheless have not answered.

"If you do not like those phrases anymore after you receive them, all proper, allow's talk about them and attempt to make them. They do not even need to speak approximately them. They are watching for the Fury-Wilder I don't have." I know, I actually have doubts.

"We need to make Wilder fight now for April thirteen, however when you have a group of folks who won't reply to you, or might not meet you to speak about it, how are you going to do it?

"We will run out of time."

Watch Anthony Joshua shield his world heavyweight name towards Alexander Povetkin at Wembley Stadium, on September 22.