Xxi Dumau International Jiu Jitsu Championship 2025. (gi Event Male White Kid 4 Light Feather 4 Mins ~31.8kg 6 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Watanabe Souta Concilio BRA Nakazawa Katsuyuki　.. Base Bjj Fight 14 Mat 4 3 May 1:26AM Wang Zihe Hassern Gym Fujita Ryuhi Evox Bjj CHN JPN Fight 15 Mat 4 3 May 1:19AM JPN Kimura Kento Nex Kato Shugo Trust Jiujitsu Academy JPN Nakazawa Katsuyuki　.. Base Bjj Kimura Kento Nex BRA JPN Fight 22 Mat 4 3 May 1:58AM Fujita Ryuhi Evox Bjj Kato Shugo Trust Jiujitsu Academy JPN JPN Fight 23 Mat 4 3 May 1:59AM Nakazawa Katsuyuki　.. Base Bjj Fujita Ryuhi Evox Bjj BRA JPN Fight 27 Mat 4 3 May 2:15AM Nakazawa Katsuyuki　.. Base Bjj BRA