Niigata International Open No-gi Championship 2025 Male Blue Adult 18 Open Weight 6 Mins FREE 3 1 / 1 Division Max Weight Time Competitors Brackets Final USA Ventura Gustavo Pacific Grappler Dojo JPN Hara Seia Brave Heart Fight 11 Mat 2 29 Jun 2:00AM JPN Kazamaki Hikaru Arungym JPN Hara Seia Brave Heart Fight 13 Mat 2 29 Jun 2:16AM Ventura Gustavo Pacific Grappler Dojo Kazamaki Hikaru Arungym USA JPN Fight 15 Mat 2 29 Jun 2:26AM Ventura Gustavo Pacific Grappler Dojo USA