Jamie McDonnell will head to Japan to defend his world title against Naoya Inoue on May 25, live on Sky Sports.
Doncaster's McDonnell will put his WBA bantamweight gold on the line against the feted Inoue, who has already won world titles in two lower divisions and is regarded as one of the world's best boxers.
It will be McDonnell's seventh defence of his title, including two decision wins over Japan's Tomoki Kameda in the United States in 2015.
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McDonnell (29-2-1) most recently fought to a 'no contest' in his rematch with Liborio Solis after sustaining a cut from an accidental clash of heads.
His upcoming challenger Inoue, known as 'the Monster', is unbeaten in 15 fights of which 14 have taken place in his home country of Japan.
He won the WBC light-flyweight title in his sixth fight then the WBO junior-bantamweight title in his eighth. Challenging McDonnell will be his first fight at bantamweight.
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Highlights of the WBO super-flyweight title fight between Naoya Inoue and Antonio Nieves.