MatstoriesBeat the podium
Beat 5 of that day's medalists
A recorded win over someone who medaled at the same event.
Cooper Duncan is a White belt Brazilian jiu-jitsu competitor from None Australia, with a recorded Australian record of 8–0.
Fought 8 recorded matches as White since July 2026
White, 8 recorded matches at this beltAchievements
Beat the podium
Beat 5 of that day's medalists
A recorded win over someone who medaled at the same event.
Wins
8
Win rate
100%
Losses
0
Gi
100%
4–0 · 4 matches
No-Gi
100%
4–0 · 4 matches
By belt
Mat Score
All-time on the current belt board
Recorded Australian matches Matstories has synced. Not a world record.
Points |
| Alexander Chapman | 26 July 2026Savage Grappling July 26th8 on the day | Submission |
| Felipe Lima | 26 July 2026Savage Grappling July 26th8 on the day | Points |
| Sage Sheridan | 26 July 2026Savage Grappling July 26th8 on the day | Points |
| Jake Deering | 26 July 2026Savage Grappling July 26th8 on the day | Decision |
| Dylan Cefai | 26 July 2026Savage Grappling July 26th8 on the day | Submission |
| Aidan Sloan | 26 July 2026Savage Grappling July 26th8 on the day | Submission |
| Tin Shue Brian Lee | 26 July 2026Savage Grappling July 26th8 on the day | Submission |
8 rows