MatstoriesUpset win
Ended a 5-match win streak
Beat Nathan Dallmann at Grappling Industries BRISBANE while they were on a 5-match run.
Mitchell Ostermann is a White belt Brazilian jiu-jitsu competitor from HUIA MARTIAL ARTS, with a recorded Australian record of 14–7.
Fought 21 recorded matches as White since May 2025
White, 21 recorded matches at this beltUpset win
Ended a 5-match win streak
Beat Nathan Dallmann at Grappling Industries BRISBANE while they were on a 5-match run.
Wins
14
Win rate
67%
Losses
7
Gi
67%
6–3 · 9 matches
No-Gi
67%
8–4 · 12 matches
By belt
Finished events, newest first. Each one opens that event recap.
Recorded Australian matches Matstories has synced. Not a world record.
3 rows