Kubiszyn advanced to the GROMDA Title Tournament final, further cementing his eventual status as an undefeated champion with a perfect 10-0 record. GROMDA 10 Main Card Results

The fighters maintained a brutal pace. While Kubiszyn utilized superior footwork and technique, Halych managed to land significant power shots, even staggering "Don Diego" in later rounds with a heavy left.

At , held on September 2, 2022, Mateusz "Don Diego" Kubiszyn defeated Vasyl "Vasyl" Halych via TKO in the fifth round of their heavyweight semifinal bout . The high-intensity match ended when Halych's corner threw in the towel at the 8:48 mark of the final round, earning both fighters "Fight of the Night" honors. GROMDA 10: Fight Recap

The event featured several other tournament bouts and superfights: Vasyl Halych TKO (Corner Retirement) Patryk "Gleba" Tołkaczewski Brad "Dalton" Watson Arkadiusz "Karabin" Sauter Denis "Romuś" Romek TKO (Injury) Marcin "Żelo" Żelechowski Jan "Tank" Sulecki Mateusz "Niedźwiedź" Kopeć Liam Davies Marcin "Wasyl" Wasilewski John Ferguson

Details of the event and fight highlights can be found on official platforms like the GROMDA Facebook page and Tapology .

The bout featured a classic contrast between Kubiszyn’s technical precision and Halych’s aggressive, "tank-like" pressure.

In GROMDA's format, the fifth round is unlimited in time until a finish. Despite Halych gaining momentum by trapping Kubiszyn in the corner, "Don Diego" eventually overwhelmed him, leading to a corner retirement.