MatstoriesUpset win
Ended a 10-match win streak
Beat Rocky Vandersteen at Grappling Industries NEWCASTLE while they were on a 10-match run.
Abdulrahman Chamma is a Grey belt Brazilian jiu-jitsu competitor from Sydney Wrestling Academy, with a recorded Australian record of 50–23.
Fought 41 recorded matches as Grey since Oct 2025
Grey, 41 recorded matches at this beltUpset win
Ended a 10-match win streak
Beat Rocky Vandersteen at Grappling Industries NEWCASTLE while they were on a 10-match run.
Wins
50
Win rate
68%
Losses
23
Gi
81%
38–9 · 47 matches
No-Gi
46%
12–14 · 26 matches
By belt
Finished events, newest first. Each one opens that event recap.
Recorded Australian matches Matstories has synced. Not a world record.
14 rows