Xxi Dumau International Jiu Jitsu Championship 2025. (gi Event Male Grey Kid 4 Middle 4 Mins ~45.4kg 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Hirata Kazushi Infight Japan BRA Hirano Nathan Bjj Core Japan Fight 24 Mat 1 3 May 1:51AM BRA Kobayashi Pedro Carlos Toyota Bjj JPN Nezu Yuito Trust Jiujitsu Academy Fight 25 Mat 1 3 May 1:58AM Hirata Kazushi Infight Japan Kobayashi Pedro Carlos Toyota Bjj JPN BRA Fight 28 Mat 1 3 May 2:08AM Hirata Kazushi Infight Japan JPN