Hong Kong International Open Jiu Jitsu Championship 2025 Male Grey Kid 4 Light Feather 4 Mins ~31.8kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final HKG Lau Tin Shing Shbjj BEL Kothari Arhaan Kowloon Jiu-jitsu Fight 4 Mat 1 5 Jul 20:45PM CHN Cai Junyu Honor Jiu Jitsu Academy BEL Kothari Arhaan Kowloon Jiu-jitsu Fight 7 Mat 1 5 Jul 20:46PM Lau Tin Shing Shbjj Cai Junyu Honor Jiu Jitsu Academy HKG CHN Fight 11 Mat 1 5 Jul 20:46PM Cai Junyu Honor Jiu Jitsu Academy CHN