KSW 83: Colosseum 2 was a mixed martial arts event that took place on Saturday, June 3, 2023 at the PGE Narodowy in Warsaw, Poland.

KSW 94: Wrzosek vs. Szpilka was a mixed martial arts event that took place on Saturday May 11, 2024 at the Ergo Arena in Gdansk, Pomeranian Voivodeship, 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.