 Adamek defeated Steve Cunningham in a very close and somewhat controversial split decision on 22 December 2012.Initially, the result was a draw, but after noticing a mathematical miscalculation in the judges scorecards, Adamek was declared the winner.On 15 March 2014 Adamek was defeated by Vyacheslav Glazkov by unanimous decision after 12 rounds, losing his IBF North American heavyweight title .