Jiu Jitsu Koushien Summer 2025 Male Grey Kid 6 Light Feather 4 Mins ~51.3kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Tomioka Rui Submit Mma JPN Watanabe Reira R-blood Fight 58 Mat 5 12 Oct 16:41PM JPN Narita Jo Strapple Ohana JPN Tomioka Rui Submit Mma Fight 61 Mat 5 12 Oct 16:58PM Watanabe Reira R-blood Tomioka Rui Submit Mma JPN JPN Fight 64 Mat 5 12 Oct 17:14PM Watanabe Reira R-blood JPN