Jiu Jitsu Koushien Summer 2025 Male White Kid 4 Light 4 Mins ~40.8kg 5 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Obata Manato R-blood JPN Satou Ibuki Shooto Gym K'z Factory Fight 43 Mat 6 12 Oct 15:52PM Nakata Hiroto R-blood JPN JPN Mitake Tsukasa Tri-force Odawara Numata Rairi X-treme Ebina JPN Obata Manato R-blood Mitake Tsukasa Tri-force Odawara JPN JPN Fight 47 Mat 6 12 Oct 16:18PM Nakata Hiroto R-blood Numata Rairi X-treme Ebina JPN JPN Fight 48 Mat 6 12 Oct 16:23PM Obata Manato R-blood Nakata Hiroto R-blood JPN JPN Fight 52 Mat 6 12 Oct 16:38PM Nakata Hiroto R-blood JPN