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

Garry Tonon vs Mateusz Gamrot ("Gamer") | Jiu-Jitsu Reference

Matches/Sep 28, 2019

Garry Tonon vs Mateusz Gamrot ("Gamer")

2019 ADCC World Championships

WinnerGarry Tonon“The Lion Killer”

versus

Mateusz Gamrot ("Gamer")“Gamer”

Match result

SubmissionRear Naked Choke

Winner: Garry Tonon
Method: Rear Naked Choke
Stage: Not recorded
Weight class: 77.0 kg

Event context

Date: September 28, 2019
Location: Anaheim, California
Organization: Abu Dhabi Combat Club
Division: 77.0 kg