Xxi Dumau International Jiu Jitsu Championship 2025. (gi Event Male Purple Master 41 Light Feather 5 Mins ~64.0kg 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Kubota Keiju Grappling Shoot Boxers BRA Silva Wellington Base Bjj Fight 62 Mat 2 4 May 6:56AM JPN Araki Takushi Taisho Jiu Jitsu Academy JPN Koyama Yoshiyuki Roll Jiu-jitsu Studio Fight 63 Mat 2 4 May 16:06PM Kubota Keiju Grappling Shoot Boxers Araki Takushi Taisho Jiu Jitsu Academy JPN JPN Fight 67 Mat 2 4 May 7:25AM Kubota Keiju Grappling Shoot Boxers JPN