Okinawa International Open Jiu Jitsu Championship 2025 Female Blue Master 30 Open Weight 5 Mins FREE 2 1 / 1 Division Max Weight Time Competitors Brackets JPN Higashi Yuka Buffalo Jiu-jitsu JPN Kai Rena The Black Belt Japan Ok.. Fight 114 Mat 2 29 Mar 19:05PM Higashi Yuka Buffalo Jiu-jitsu JPN