K-1 BEYOND: K-1 BEYOND took place on May 31, 2025, at Yokohama Buntai in Yokohama, Japan, promoted by K-1 Japan Group in collaboration with China’s Wu Lin Feng. The main event features an eight-man K-1 Super Featherweight (60kg) Championship Tournament, with confirmed fighters Tomoya Yokoyama, Leona Pettas, Yuta Matsuyama. Key title fights include Liu Ce defending his K-1 Cruiserweight title against Thian De Vries and Ouyang Feng defending his Super Welterweight title against Darryl Verdonk. The card also showcases a rematch for the Super Lightweight belt between Yodkhunpon and Shu Inagaki.