Analytics preferences

Allow privacy-masked PostHog analytics and session replay so we can see which parts of the reference are useful and where people get stuck. We never send searches, route identifiers, or form contents. Vercel's anonymous traffic and performance measurement remains active either way.

jiu-jitsu reference

Athletes Events Organizations Matches Knowledge Graph About Support

jiu-jitsu reference

© 2026 Jiu Jitsu Reference. All rights reserved.

Apple, the Apple logo, and App Store are trademarks of Apple Inc., registered in the U.S. and other countries.

Privacy Terms Support

Naoko Omuro vs Kayoko Hamashima | Jiu-Jitsu Reference

Matches/Apr 18, 2004

Naoko Omuro vs Kayoko Hamashima

GCM: Cross Section 1

WinnerNaoko Omuro

versus

Kayoko Hamashima

Match result

Points

Winner: Naoko Omuro
Method: Points
Stage: Not recorded
Weight class: 48 kg

Event context

Date: April 18, 2004

Location

Tokyo, Japan

Organization

Greatest Common Multiple

Division

48 kg