Japan Jiu Jitsu Cup 2025 Male Grey Kid 5 Light Feather 4 Mins ~37.6kg 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Oomi Taichi Burst JPN Koushima Masato Impacto Bjj Japan Fight 30 Mat 1 13 Oct 13:13PM JPN Yada Hiyuta Jiusenkan JPN Kobayashi Yuto Blast Bjj Studio Fight 31 Mat 1 13 Oct 13:19PM Koushima Masato Impacto Bjj Japan Yada Hiyuta Jiusenkan JPN JPN Fight 34 Mat 1 13 Oct 13:31PM Koushima Masato Impacto Bjj Japan JPN