All Japan Jiu Jitsu Championship Pre Koshien - Koshien 2023 Male Grey Pre Teen Medium Heavy 4 Mins ~49.9kg 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Nojima Kaira Sekitani Jiu Jitsu Acad.. JPN Naito Yamato Sakura Judo Juku Fight 62 Mat 4 15 Jul 13:47PM JPN Adachi Mitsuharu Axis Gunma JPN Yokota Shosei Tri-force Ojima Fight 63 Mat 4 15 Jul 13:52PM Fight 67 Mat 4 15 Jul 14:11PM