MatstoriesHard to finish
Hasn't been submitted in 14 matches
None of the last 14 recorded matches ended in a submission loss.
Jack Witschke is a White belt Brazilian jiu-jitsu competitor from Mount Maunganui Jiu Jitsu, with a recorded Australian record of 13–9.
Fought 22 recorded matches as White since Mar 2026
White, 22 recorded matches at this beltHard to finish
Hasn't been submitted in 14 matches
None of the last 14 recorded matches ended in a submission loss.
Wins
13
Win rate
59%
Losses
9
Gi
64%
7–4 · 11 matches
No-Gi
55%
6–5 · 11 matches
By belt
Finished events, newest first. Each one opens that event recap.
Mat Score
All-time on the current belt board
Recorded Australian matches Matstories has synced. Not a world record.
4 rows