Xxi Dumau International Jiu Jitsu Championship 2025. (gi Event Female White Kid 4 Light 4 Mins ~40.8kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Nakane Koharu Kussano Team JPN Ishil Hinata Hassern Gym Fight 31 Mat 2 3 May 2:33AM BRA Tanaka Mayumi Impacto Bjj Japan JPN Ishil Hinata Hassern Gym Fight 34 Mat 2 3 May 2:56AM Nakane Koharu Kussano Team Tanaka Mayumi Impacto Bjj Japan JPN BRA Fight 38 Mat 2 3 May 3:09AM Nakane Koharu Kussano Team JPN