At the end of the second round, Kongo successfully transferred the fight to the ground and performed a choke hold, as a result of which Kharitonov surrendered.
Thus, Kharitonov suffered the ninth defeat in his career with 31 fights won.
Two more of his fights were declared invalid.
Congo has won 31 MMA victories with 12 defeats and two draws.
Earlier it was reported that Denis Goltsov, by decision of the judges, lost to the Croat Ante Delia in the semi-finals of the PFL Grand Prix.