Career
Airich"s first defeat was against Danny Williams in a controversial fight. In the sixth round, Williams landed a number of big shots and was thought to be on the verge of knocking Airich out, when the bell sounded with 1:28 left on the clock. Williams ended the fight in the following round, when Airich"s promoter decided to throw in the towel.
His second loss was a majority decision loss to Ondrej Pala on 6 March 2009.
Airich took part in the Prizefighter "International heavyweights" tournament held at Alexandra Palace in London on 7 May 2011. After winning his opening bout of the evening against Lucian Botany, Airich was eliminated in the semi final when he suffered a first round knockout defeat to eventual runner up Tye Fields.
After Airich became the vacant IBF Inter-Continental heavyweight titleholder by knocking out German fighter Varol Vekiloglu in round 1, on March 9, 2012 he faced Ondrej Pala for the second time to retain his IBF Inter-Continental heavyweight title and for Pala’s WBO European heavyweight title. This time Airich defeated Pala by TKO in round 9.
Airich lost the fight by unanimous decision.
On September 13, 2014, Airich faced British fighter and London 2012 Olympic Gold Medalist, Anthony Joshua in an 8 round fight. During the third round, Joshua knocked Airich down and the referee stopped the fight. Konstantin was the first fighter to go past the second round with Anthony Joshua despite the loss.