Asjjf Dumau International Jiu Jitsu Championship 2021 (第17回ドゥマ Male White Pre Teen Feather 4 Mins ~36.3kg 5 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal Third Place JPN Yasuda Yuki Impacto Bjj Japan JPN Sakakibara Taku Tree Brazilian Jiu Jitsu Fight 1 Mat 2 18 Jul 9:30AM Mellows Kian Bonsai Jiu-jitsu Japan JPN BRA Hamamura Yuji Bonsai Jiu-jitsu Japan Mizuno Kanta Impacto Bjj Japan JPN Hamamura Yuji Bonsai Jiu-jitsu Japan BRA Fight 6 Mat 2 18 Jul 9:51AM Mellows Kian Bonsai Jiu-jitsu Japan Mizuno Kanta Impacto Bjj Japan JPN JPN Fight 7 Mat 2 18 Jul 9:56AM Fight 10 Mat 2 18 Jul 10:09AM Fight 12 Mat 2 18 Jul 10:19AM