Jiu Jitsu Koushien Summer 2024 Male White Pre Teen Light 4 Mins ~40.8kg 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Matsumoto Daito Cave Bjj JPN Matsumura Yuushi Paraestra Koiwa Fight 9 Mat 4 15 Sep 5:12AM JPN Takahashi Tomoki Jump Fight Club JPN Yamashita Gaku Now Or Never Fight 10 Mat 4 15 Sep 5:17AM Matsumoto Daito Cave Bjj Takahashi Tomoki Jump Fight Club JPN JPN Fight 14 Mat 4 15 Sep 5:29AM Matsumoto Daito Cave Bjj JPN