Semenov has fought within the UFC middleweight division, in M-1 events and Pride Bushido, with an overall MMA record of 34 wins, 9 losses and 2 draws.
He has been fighting in Mixed Martial Arts since 1998, and is famed for excellent throws, strong submission defense, superior stamina and being very resilient and hard to finish.
Three years after retiring in 2008, Semenov returned to MMA and fought Luigi Fioravanti at M-1 Challenge: 25 on April 28, 2011.
[1] Though a considerable underdog on media scoring websites,[2] Semenov won the fight via unanimous decision.
[5] He was then scheduled to face Ramazan Emeev at M-1 Challenge 47 on April 4, 2014, however in the weeks leading up to the event, the bout was cancelled for unknown reasons.