Xxi Dumau International Jiu Jitsu Championship 2025. (gi Event Male Grey Kid 4 Rooster 4 Mins ~27.2kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Yasui Kaito Friends Brazilian Jiu J.. JPN Katou Sousuke Impacto Bjj Japan Fight 49 Mat 4 3 May 4:40AM JPN Ishibashi Gaku Evox Bjj JPN Yasui Kaito Friends Brazilian Jiu J.. Fight 53 Mat 4 3 May 5:00AM Katou Sousuke Impacto Bjj Japan Ishibashi Gaku Evox Bjj JPN JPN Fight 56 Mat 4 3 May 5:13AM Katou Sousuke Impacto Bjj Japan JPN