All Japan Jiu Jitsu Championship Pre Koshien - Koshien 2023 Male Grey Junior Teen Light 4 Mins ~50.3kg 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Miyoshi Kotaro Sonic Squad JPN Takagi Ryuma Right Thing Academy Fight 30 Mat 1 15 Jul 10:59AM JPN Kobayashi Towa Carpe Diem Ashiya JPN Tajima Yudai Bushokan Dojo Fight 31 Mat 1 15 Jul 11:04AM Fight 34 Mat 1 15 Jul 11:18AM