Venue: Arena Gliwice Location: Gliwice, Poland

KSW 89: Bartosinski vs. Parnasse was a mixed martial arts event that took place on Saturday, December 16, 2023 at the Prezero Arena in Gliwice, Poland.

KSW 100: Khalidov vs. Bartosinski was a mixed martial arts event that took place on Saturday November 16, 2024 at the PreZero Arena in Gliwice, Poland.

KSW 105 event took place on April 26, 2025, at PreZero Arena in Gliwice, Poland. The main event features Adrian Bartosiński defending his KSW Welterweight Championship against Andrzej Grzebyk in a five-round rematch, with Bartosiński coming off a loss to Mamed Khalidov and Grzebyk on a four-fight win streak. The co-main event showcases a super-heavyweight clash between five-time World’s Strongest Man Mariusz Pudzianowski and former strongman Eddie Hall, making his MMA debut. Other notable bouts include Artur Szpilka vs. Errol Zimmerman in a heavyweight fight, Rafał Haratyk vs. Ibragim Chuzhigaev for the Light Heavyweight Championship, and Laura Grzyb’s MMA debut against Gabriela Hristea in women’s flyweight.