Dumau International Jiu Jitsu Championship 2023 Male White Adult Middle 5 Mins ~82.1kg 5 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal BRA Kawakami Lucas Bjj Core Japan JPN Yamada Shunya Smile Jiu-jitsu Fight 29 Mat 2 1 Oct 13:12PM Kurono Noriaki Mybjj Team Japan JPN JPN Asano Ayumu Impacto Bjj Japan Silva Gustavo Carlos Toyota Bjj BRA Asano Ayumu Impacto Bjj Japan JPN Fight 35 Mat 2 1 Oct 13:48PM Kurono Noriaki Mybjj Team Japan Silva Gustavo Carlos Toyota Bjj JPN BRA Fight 36 Mat 2 1 Oct 13:54PM Fight 41 Mat 2 1 Oct 14:24PM