K-1 / Krush · Featherweight

Kosei Sekiguchi

関口功誠

Profile

Nationality: Japan
Gym: ALONZA ABLAZE
Gym location: Meguro-ku, Tokyo · Tokyo · Web
Weight class: Featherweight
Record: 9-1-0
Last fight: 2026-05-31 K-1 REVENGE
Promotions: K-1 / Krush
Discipline: kickboxing

Social media

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Videos

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Teammates

Sources: Latest event results