Jiu Jitsu Koushien Spring 2025 Male Grey Kid 6 Light 4 Mins ~63.0kg 5 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Mallows Charlie Carpe Diem JPN Yamamoto Genki The Blackbelt Japan Fight 15 Mat 5 26 Apr 4:25AM Oyama Junpei Trydent Gym JPN JPN Arai Jotaro Strapple Shinyurigaoka Sawa Yuha X-treme Ebina JPN Yamamoto Genki The Blackbelt Japan Arai Jotaro Strapple Shinyurigaoka JPN JPN Fight 19 Mat 5 26 Apr 4:43AM Oyama Junpei Trydent Gym Sawa Yuha X-treme Ebina JPN JPN Fight 20 Mat 5 26 Apr 4:44AM Arai Jotaro Strapple Shinyurigaoka Sawa Yuha X-treme Ebina JPN JPN Fight 24 Mat 5 26 Apr 5:03AM Arai Jotaro Strapple Shinyurigaoka JPN