East Japan Jiu Jitsu Championship2025 Male Grey Kid 5 Middle 4 Mins ~56.7kg 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Okawa Hiroto Paraestra Koiwa JPN Aihara Hinata Takamoto Dojo Fight 58 Mat 3 26 Jul 5:32AM JPN Nakamura Kota Strong Spirit Jiu Jitsu JPN Kobayashi Koutarou Bushokan Dojo Fight 59 Mat 3 26 Jul 5:39AM Aihara Hinata Takamoto Dojo Kobayashi Koutarou Bushokan Dojo JPN JPN Fight 63 Mat 3 26 Jul 5:50AM Aihara Hinata Takamoto Dojo JPN