Xxi Dumau International Jiu Jitsu Championship 2025. (gi Event Male Brown Master 41 Open Weight 5 Mins FREE 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Yamakawa Shuta Strapple Ibaraki JPN Tashiro Ippei Blue House Fight 81 Mat 3 4 May 8:42AM JPN Murata Junya Evox Bjj BRA Alves Marcelo Excense Academy Fight 82 Mat 3 4 May 8:46AM Yamakawa Shuta Strapple Ibaraki Alves Marcelo Excense Academy JPN BRA Fight 85 Mat 3 4 May 9:02AM Yamakawa Shuta Strapple Ibaraki JPN