Jiu Jitsu Koushien Summer 2025 Male Grey Kid 5 Medium Heavy 4 Mins ~63.0kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Yoshinaka Osuke Chidori Jiujitsu Academy JPN Saito Riu Toikatsu Grappling Higa.. Fight 47 Mat 5 12 Oct 15:57PM JPN Nozaki Minato Carpe Diem Bjj Sendai JPN Yoshinaka Osuke Chidori Jiujitsu Academy Fight 50 Mat 5 12 Oct 16:09PM Saito Riu Toikatsu Grappling Higa.. Nozaki Minato Carpe Diem Bjj Sendai JPN JPN Fight 53 Mat 5 12 Oct 16:19PM Saito Riu Toikatsu Grappling Higa.. JPN