About Ryusei
Ryusei is a kickboxer from the Sagamihara prefecture in Japan.
Over the course of his kickboxing career, Ryusei has secured notable titles, such as the KNOCK OUT Black Featherweight Championship in 2021 and the ISKA K-1 Intercontinental Super Featherweight Championship in 2024.
Ryusei then joined ONE Championship’s kickboxing division in 2025, bringing with him an impressive professional record of 18 wins and 11 knockouts.
Now part of the world’s largest martial arts organization, expect Ryusei to continue perfecting his craft on the grandest stage of all.
ONE Championship Records
Event Results
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