West Japan Jiu Jitsu Championship 2023 Male Grey Pre Teen Light Feather 4 Mins ~31.8kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Nishiyama Akitoshi Triskelion Bjj Academy JPN Takeda Kenyou Bonsai Jiu-jitsu Japan Fight 31 Mat 1 30 Jul 13:23PM JPN Yamazaki Satoru Seishin Bjj Fight 35 Mat 1 30 Jul 13:43PM Fight 38 Mat 1 30 Jul 13:58PM