MatstoriesUpset win
Ended a 6-match win streak
Beat Bek Magok at SGTPERTH SUBMISSION WINTER SERIES '26 while they were on a 6-match run.
Thomas O’Brien is a Blue belt Brazilian jiu-jitsu competitor from Roar MMA Rockingham, with a recorded Australian record of 1–2.
Fought 3 recorded matches as Blue since June 2026
Blue, 3 recorded matches at this beltUpset win
Ended a 6-match win streak
Beat Bek Magok at SGTPERTH SUBMISSION WINTER SERIES '26 while they were on a 6-match run.
Wins
1
Win rate
33%
Losses
2
Gi
-
No matches
No-Gi
33%
1–2 · 3 matches
By belt
Recorded Australian matches Matstories has synced. Not a world record.
| Jack Grimley | 28 June 2026SGTPERTH SUBMISSION WINTER SERIES '26 | Submission |
| Bek Magok | 28 June 2026SGTPERTH SUBMISSION WINTER SERIES '26 | draw |
3 rows