Kamil Oniszczuk

#8 Middleweight

Score (W-L-D)

13 - 5 - 0

Nationality

Age

29 years

Height

190 cm

Weight

Middleweight

Gym

Kill Cliff FC

A Polish striker with devastating kicks that crush bones. He already has 5 finishes in the stand-up game and has been tested by some of the toughest fighters from organizations like Bellator, ACA, and Babylon MMA.

News

OKTAGON/ 08.07.2026

HIGHLIGHTS FROM THE COLOGNE FIGHT CARD: A DANCER IN A TITLE FIGHT

A card packed with thrilling stories. This Saturday, Cologne, Germany, will host OKTAGON 91. The Lanxess Arena awaits not just two spectacular title fights, but above all, fighters with incredible life stories. Read the biggest highlights from Saturday’s lineup.. more.

OKTAGON/ 18.07.2025

FATE OF TIPSPORT GAMECHANGER ALTERNATES: MAZÚCH RETURNS, ZAWADA FACES ONISZCZUK

We’re back at Štvanice! OKTAGON 74 will bring the best middleweight in Europe – four quarterfinals of the Tipsport Gamechanger Million Pyramid. The women’s bantamweight queen title fight between Szabová and Bolander.. more.