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

Amy Derwanz vs Robyn Lucas | Jiu-Jitsu Reference

Matches/Jun 15, 2024

Amy Derwanz vs Robyn Lucas

WinnerAmy Derwanz

versus

Match result

SubmissionJapanese Necktie

Winner: Amy Derwanz
Method: Japanese Necktie
Stage: Not recorded
Weight class: Lightweight

Event context

Date: June 15, 2024
Location: Doncaster, England
Organization: Polaris
Division: Lightweight