Eduard Vartanyan defeated Amirkhan Adaev by TKO in round 1 (3:47) in the Welterweight main event of ACA 20: ACB 20 - Sochi, held Sunday, June 14, 2015.
ACA 20: ACB 20 - Sochi was an MMA event from Absolute Championship Akhmat, held Sunday, June 14, 2015. 20 is part of ACA's numbered event series. 16 fights took place on the card.