Conor Benn will challenge Ryan Garcia for the WBC welterweight title in Las Vegas on September 12.
WBC champion Garcia is one of the most high-profile fighters in the sport and has engaged in regular wars of words with Benn in recent months.
Last year Benn , the son of his father Nigel Benn's great rival Chris Eubank Sr.
Benn suffered the first defeat of his professional career when but got his revenge in a November rematch when he dropped Eubank twice before winning a decision on the cards.
Working his way back towards welterweight, on the undercard of Tyson Fury's comeback bout at the Tottenham Hotspur Stadium in April.
Benn and Garcia traded a war of words on social media with the 27-year-old American saying: "I told you in person you aren't a good enough fighter to beat me. You forced yourself in this position I will show the lesson of rushing into something you just aren't ready for."
Benn replied: "You've quit once… I'll make you quit again! Can't teach heart! See you September 12th."
"I have just one goal and that is get the world title," Benn previously told Your Site.
"Ultimately, I'm in a position now where I'm really comfortable in life, but the work has become more relentless. The work has become more purposeful. There's more intent behind the work, and it's hard to say that considering I've always worked hard."
He wants to emulate his father, a British boxing legend, by winning the WBC belt.
"He won that world title so for me it's my goal to win that world title," he said.
Garcia suffered an upset loss to Rolando Romero, the WBA world champion, last year but bounced back to drop and outpoint Mario Barrios in February to claim the WBC 147lb belt.
Reacting to the announcement of the fight, Garcia said: "This one is for Mexico and the UK. Both want his a** clipped. Clout demon will be slayed".