Acting Issei Ishii Acting K-1 WORLD MAX 2025: 70kg World Championship Tournament Final Self 2025 K-1 WORLD GP 2023: K'FESTA 6 Self 2023 K-1 ReBIRTH 2 Self 2023 K-1 WORLD GP 2022: World Featherweight Tournament Self 2022 K-1 WORLD GP 2022: Bantamweight Championship Tournament Self 2022 RISE on ABEMA 2 Self 2021 RISE WORLD SERIES 2021: Osaka Self 2021 RIZIN 10 2018 RIZIN 7 2017 Agent-readable