Central Japan Open Jiu Jitsu Championship 2024 Male Grey Pre Teen Light 4 Mins ~40.8kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final BRA Hiraoka Vieira João Carlos Toyota Bjj BRA Nakauth Davi Mybjj Team Japan Fight 33 Mat 1 15 Dec 2:23AM JPN Ogisu Eigo Hassern Gym BRA Nakauth Davi Mybjj Team Japan Fight 36 Mat 1 15 Dec 2:36AM Hiraoka Vieira João Carlos Toyota Bjj Ogisu Eigo Hassern Gym BRA JPN Fight 41 Mat 1 15 Dec 2:57AM Hiraoka Vieira João Carlos Toyota Bjj BRA