All Japan Jiu Jitsu Championship Pre Koshien - Koshien 2023 Male Yellow Junior Teen Feather 4 Mins ~44.0kg 6 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Ikuta Ren Axis JPN Takahashi Yuu Reversal Gym Kawaguchi .. Fight 71 Mat 2 15 Jul 14:16PM Shiraishi Ryouichi Bjj Academy Nobushi Kishi Kousuke Axis Yokohama JPN JPN Fight 72 Mat 2 15 Jul 14:21PM JPN Iwasawa Arata Carpediem Mita Kubota Touma Bjj Studio Splicing JPN Iwasawa Arata Carpediem Mita JPN Fight 74 Mat 2 15 Jul 14:31PM Kubota Touma Bjj Studio Splicing JPN Fight 75 Mat 2 15 Jul 14:36PM Fight 78 Mat 2 15 Jul 14:51PM