Hong Kong International Open Jiu Jitsu Championship 2025 Male Grey Kid 4 Feather 4 Mins ~36.3kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final CHN Bei Hanying Extreme Fight Lab CHN Qiao Jincheng Nanjing Bjj Academy Fight 6 Mat 5 5 Jul 21:04PM CHN Hong Ruichen Honor Jiu Jitsu Academy CHN Qiao Jincheng Nanjing Bjj Academy Fight 9 Mat 5 5 Jul 21:06PM Bei Hanying Extreme Fight Lab Hong Ruichen Honor Jiu Jitsu Academy CHN CHN Fight 12 Mat 5 5 Jul 21:29PM Hong Ruichen Honor Jiu Jitsu Academy CHN