The two Tipsport Gamechanger middleweight tournament finalists would be determined on Saturday at Oktaagon 77.
Two semifinal bouts were on the card, with Kerim Engizek vs. Dominik Humburger headlining the show in one. The other found UFC vet Krzysztof Jotko, who had missed weight for the fight, taking on reserve fighter Hojat Khajevand, a German-Iranian wrestler who had made the jump to MMA.
Also featured on the card, Slovakian veteran Ivan Buchinger was set to take on SBG Ireland’s Richie Smullen, a UFC and Bellator MMA alum.
Where to Watch Oktagon MMA
Oktagon 77 takes place on Saturday, October 4, 2025 at the Zimní stadion Ondřeje Nepely in Bratislava, Slovakia. The card streams live via Oktagon.tv starting at 11:30AM ET, 8:30AM PT. Full results from the event can be found below.
Oktagon 77: Engizek vs. Humburger Results
Main Card
Kerim Engizek def. Dominik Humburger (29-28, 29-28, 29-28) — Tipsport Gamechanger Semifinal
Vlasto Čepo def. Daniel Schwindt via R1 KO, 3:38
Krzysztof Jotko def. Hojat Khajevand via Unanimous Decision (29-28, 29-28, 30-27) — Tipsport Gamechanger Semifinal
Ivan Buchinger def. Richie Smullen via R3 SUB (D’arce Choke), 1:40
Jaime Cordero def. ‘Pirát’ Krištofič via R1 TKO (Doc Stoppage) 2:49 — Tipsport Gamechanger Reserve Bout
Marco Novák def. Daniel Solaja via R3 TKO, 0:30
Preliminary Card
Konrad Dyrschka def. Tomas Ciganik by Split Decision (29-28, 29-28, 28-29)
Veronika Smolková def. Ana Carolina Araujo via Unanimous Decision (30-27, 30-27, 30-27)
Ayton De Paepe def. Karol Ryšavý via Split Decision (29-28, 29-28, 28-29)
Monika Chochlíková def. Atenea Flores via Unanimous Decision (30-27, 30-27, 29-28)
Jorick Montagnac def. Mateusz Duczmal via Unanimous Decision (30-27, 30-27, 30-27)
