Okinawa International Open Jiu Jitsu Championship 2025 Female Blue Master 30 Feather 5 Mins ~61.2kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Kai Rena The Black Belt Japan Ok.. USA Albano Adrienne Ivan Sakamoto Bjj Okinawa Fight 81 Mat 2 29 Mar 16:18PM JPN Higashi Yuka Buffalo Jiu-jitsu USA Albano Adrienne Ivan Sakamoto Bjj Okinawa Fight 84 Mat 2 29 Mar 16:18PM Kai Rena The Black Belt Japan Ok.. Higashi Yuka Buffalo Jiu-jitsu JPN JPN Fight 87 Mat 2 29 Mar 16:18PM Higashi Yuka Buffalo Jiu-jitsu JPN