Jiu Jitsu Koushien Summer 2025 Male White Blue Purple Juvenile 16-17 Middle 5 Mins ~74.8kg 5 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Ito Jinichi Master Japan JPN Ueda Kotonosuke Dragon's Den Fight 11 Mat 1 12 Oct 12:57PM Murata Eito Sakura Jiujitsu JPN JPN Yamamoto Teruki Alma Fight Gym Shuko Sato Yushin Sendai Jiu-jitsu Academy JPN Yamamoto Teruki Alma Fight Gym Shuko JPN Fight 17 Mat 1 12 Oct 13:43PM Murata Eito Sakura Jiujitsu Sato Yushin Sendai Jiu-jitsu Academy JPN JPN Fight 18 Mat 1 12 Oct 13:49PM Fight 23 Mat 1 12 Oct 14:27PM