Matches usually consist of four 2-minute rounds. If there is no winner, the 5th round is unlimited —the fight goes until a knockout or retirement.
One of the most notable bouts featured Bartłomiej "Balboa" Domalik , who won the GROMDA 5 tournament by defeating Patryk "Gleba" Tołkaczewski in the final. Gromda 5
If you are following the sport, here are the standard rules that apply to GROMDA events: Matches usually consist of four 2-minute rounds