Issei Ishii

K-1 DONTAKU 2026

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K-1 WORLD MAX 2025: 70kg World Championship Tournament Final

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K-1 DONTAKU

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K-1 BEYOND

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K-1 ReBIRTH 2

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K-1 WORLD GP 2023: K'FESTA 6

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K-1 WORLD GP 2022: Bantamweight Championship Tournament

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K-1 WORLD GP 2022: World Featherweight Tournament

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RISE World Series 2021: Osaka

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RISE on ABEMA 2

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RIZIN 10

RIZIN 7