May
23
Okinawa Invitational 4: 80KG championship Men’s Division
Who is the top 80kg submission‑only grappler in Asia? On May 23, the Okinawa Invitational brings the men’s 80kg division competing for a prize of ¥100,000, and a custom championship belt. Spectators are welcome for ¥3,000, with doors opening at 10:00 AM. Ready to compete or support the scene? Register or become a sponsor and join Okinawa’s growing grappling movement.