MatstoriesUpset win
Ended a 17-match win streak
Beat Ryan Chau at NSWJJC 2026 while they were on a 17-match run.
Cooper Williams is a Blue belt Brazilian jiu-jitsu competitor from TA | BYRON BAY, with a recorded Australian record of 20–7.
Fought 27 recorded matches as Blue since Mar 2025
Blue, 27 recorded matches at this beltUpset win
Ended a 17-match win streak
Beat Ryan Chau at NSWJJC 2026 while they were on a 17-match run.
Wins
20
Win rate
74%
Losses
7
Gi
74%
17–6 · 23 matches
No-Gi
75%
3–1 · 4 matches
By belt
Finished events, newest first. Each one opens that event recap.
Recorded Australian matches Matstories has synced. Not a world record.
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