KSW 78 was a mixed martial arts event that took place on Saturday, January 21, 2023 at the Netto Arena in Szczecin, Poland.

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 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.