Xxi Dumau International Jiu Jitsu Championship 2025. (gi Event Male Blue Adult 18 Light Feather 6 Mins ~64.0kg 6 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Kono Taiki Grappling Shoot Boxers JPN Oyama Kosuke Evox Bjj Fight 6 Mat 3 4 May 0:52AM Kuno Yuma Fukuzumi Jiu-jitsu Ichikawa Souta Splash JPN JPN Fight 7 Mat 3 4 May 0:50AM JPN Kudou Ryoichi Impacto Bjj Japan Shigenaga Shuto Smile Jiu-jitsu JPN Kono Taiki Grappling Shoot Boxers Kudou Ryoichi Impacto Bjj Japan JPN JPN Fight 14 Mat 3 4 May 1:32AM Ichikawa Souta Splash Shigenaga Shuto Smile Jiu-jitsu JPN JPN Fight 15 Mat 3 4 May 1:41AM Kudou Ryoichi Impacto Bjj Japan Shigenaga Shuto Smile Jiu-jitsu JPN JPN Fight 19 Mat 3 4 May 2:16AM Shigenaga Shuto Smile Jiu-jitsu JPN