Jeremy Byrne vs Koen Cook | Wave

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Jeremy Byrne vs Koen Cook | Wave

Mentality Jiu Jitsu

Unknown belt

Fought 2 recorded matches as Unknown belt since Feb 2026

Unknown belt, 2 recorded matches at this belt

Evolve Brazilian Jiu Jitsu

Grey

Fought 9 recorded matches as Grey since June 2026

Grey, 9 recorded matches at this belt

0–1 in meetings

Meetings

Koen Cook won
BJJ NATIONAL AUSTRALIAN OPEN 2026 · Byron Bay · Boys Gi / Novice / Pee Wee II (8yrs) / -33.2 kg · submission