X X I I Copa Dumau De Jiu Jitsu 2025 Male Blue Master 30 Feather 5 Mins ~70.0kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Koga Shunichi Friends Brazilian Jiu J.. JPN Kubota Keisuke Impacto Bjj Japan Fight 79 Mat 3 16 Feb 7:03AM JPN Kazuya Tatsutomi Taisho Jiu Jitsu Academy JPN Kubota Keisuke Impacto Bjj Japan Fight 81 Mat 3 16 Feb 7:12AM Koga Shunichi Friends Brazilian Jiu J.. Kazuya Tatsutomi Taisho Jiu Jitsu Academy JPN JPN Fight 85 Mat 3 16 Feb 7:32AM Koga Shunichi Friends Brazilian Jiu J.. JPN