All Japan Jiu Jitsu Championship Pre Koshien - Koshien 2023 Male White Pre Teen Light Feather 4 Mins ~31.8kg 8 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Nishigai Hayato X-treme Ebina JPN Haba Souitiro Bushokan Dojo Fight 22 Mat 2 15 Jul 10:33AM Singh Jhala Koizumi.. X-treme Ebina Watanabe Kota Strapple Ohana JPN JPN Fight 24 Mat 2 15 Jul 10:43AM JPN Kato Mahiro Paraestra Koiwa JPN Matsubayashi Arata Reversal Gym Kawaguchi .. Fight 23 Mat 2 15 Jul 10:38AM Kurita Ayumu R-blood Hamada Kazuki Pato Studio JPN JPN Fight 25 Mat 2 15 Jul 10:48AM Fight 27 Mat 2 15 Jul 10:56AM Fight 28 Mat 2 15 Jul 11:01AM Fight 31 Mat 2 15 Jul 11:14AM