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Lee Selby's maiden world title fight against Russian Evgeny Gradovich is due to take place on 25 April at the O2 Arena in London.

The 28-year-old Welshman stopped Joel Brunker in their IBF featherweight title eliminator in October 2014.

Featherweight Selby has lost just once in his 21-fight professional career, with eight stoppages.

Gradovich, 28, has 19 wins and one draw, with nine stoppages and won the IBF belt from Billy Dib in March 2013.

Selby's compatriot Nathan Cleverly will also be on the bill with his opponent to be confirmed sometime next week.

Cleverly, beaten by Tony Bellew in November at cruiserweight, will return to the light heavyweight division.

Selby, who has won the Commonwealth, British and European featherweight titles during his professional career, is confident of taking the world title from the Russian, who has made four successful defences of his title.

"I don't think I'll struggle at all, I think I'll win convincingly," said Selby.

"Similar to the last fight, I'll probably outclass him with the boxing and then a late stoppage.

"He's similar to all my last opponents, just a little, tiny bit better in class.

"Each fight I've had they've been about the same size and stature and the fights have been getting a little bit tougher, and now he's the next step up.

"He's just a little step up from Brunker. He throws a little bit of a harder shot, a few more punches, a little bit more aggressive, more pressure - but not a massive step up."