Jiu Jitsu Koushien Summer 2025 Male White Kid 6 Rooster 4 Mins ~45.4kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Toyama Kevin Arta JPN Ohashi Shin Paraestra Koiwa Fight 57 Mat 5 12 Oct 16:46PM JPN Shimojo Akito Trydent Gym JPN Toyama Kevin Arta Fight 60 Mat 5 12 Oct 17:03PM Ohashi Shin Paraestra Koiwa Shimojo Akito Trydent Gym JPN JPN Fight 63 Mat 5 12 Oct 17:12PM Shimojo Akito Trydent Gym JPN