Jiu Jitsu Koushien Spring 2025 Male Grey Kid 5 Rooster 4 Mins ~31.8kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Hayakawa Kazutaka Tri-force Ikebukuro JPN Urakawa Aoi Bonsai Jiu-jitsu Japan Fight 21 Mat 3 26 Apr 13:39PM JPN Watanabe Konosuke Tri-force Higashi Nakano Fight 24 Mat 3 26 Apr 13:45PM Urakawa Aoi Bonsai Jiu-jitsu Japan Watanabe Konosuke Tri-force Higashi Nakano JPN JPN Fight 27 Mat 3 26 Apr 4:52AM Watanabe Konosuke Tri-force Higashi Nakano JPN