Jiu Jitsu Koushien Spring 2025 Male Grey Kid 5 Feather 4 Mins ~44.0kg 7 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Kamiguch Koki X-treme Ebina JPN Yuuta Arai Infight Japan Fight 1 Mat 5 26 Apr 3:05AM Sato Yuaei The Blackbelt Japan Moriuchi Yamato Carpe Diem Bjj Sendai JPN JPN Fight 3 Mat 5 26 Apr 12:12PM JPN Umemiya Mitsuaki Takamoto Dojo JPN Kato Mahiro Paraestra Koiwa Fight 2 Mat 5 26 Apr 3:06AM Yoshida Ouki X-treme Ebina JPN Kamiguch Koki X-treme Ebina Kato Mahiro Paraestra Koiwa JPN JPN Fight 6 Mat 5 26 Apr 3:25AM Sato Yuaei The Blackbelt Japan Yoshida Ouki X-treme Ebina JPN JPN Fight 7 Mat 5 26 Apr 3:31AM Kamiguch Koki X-treme Ebina Yoshida Ouki X-treme Ebina JPN JPN Fight 12 Mat 5 26 Apr 3:55AM Yoshida Ouki X-treme Ebina JPN