MatstoriesUpset win
Ended a 17-match win streak
Beat Lachlan Parkes at Grappling Industries BRISBANE while they were on a 17-match run.
Cassius Osborne is a Yellow belt Brazilian jiu-jitsu competitor from CAZA BJJ Australia, with a recorded Australian record of 60–24.
Fought 27 recorded matches as Yellow since Mar 2026
Yellow, 27 recorded matches at this beltUpset win
Ended a 17-match win streak
Beat Lachlan Parkes at Grappling Industries BRISBANE while they were on a 17-match run.
Wins
60
Win rate
71%
Losses
24
Gi
69%
29–13 · 42 matches
No-Gi
74%
31–11 · 42 matches
By belt
30 Aug 2026 · in 12 days · Sunshine Coast
GiYellow · Junior I (10yrs) · Male · -48.3 kg
No-GiYellow · Junior I (10yrs) · Male · -46.90 kg
Mat Score
All-time on the current belt board
Recorded Australian matches Matstories has synced. Not a world record.
Submission |
| Itamar Zeitouni | 8 Feb 2026Grappling Industries SUNSHINE COAST | Points |
| Lachlan Parkes | 8 Feb 2026Grappling Industries SUNSHINE COAST | Submission |
| Itamar Zeitouni | 8 Feb 2026Grappling Industries SUNSHINE COAST | Submission |
| George Siegel | 9 Nov 2025BJJ SUMMER AUSTRALIAN OPEN 2025 | Submission9–0 |
| Levi Soliman | 9 Nov 2025BJJ SUMMER AUSTRALIAN OPEN 2025 | Points0–12 · 0–2 adv |
| Sunny Gardener | 9 Nov 2025BJJ SUMMER AUSTRALIAN OPEN 2025 | Submission7–0 |
| Sunny Gardener | 9 Nov 2025BJJ SUMMER AUSTRALIAN OPEN 2025 | Submission2–0 · 2–0 adv |
| Arda Topcu | 15 Aug 2025AJJC 2025 - Australian Jiu Jitsu Championship | Submission0–6 |
| Brooklyn Dyer | 15 Aug 2025AJJC 2025 - Australian Jiu Jitsu Championship | Submission |
| Arda Topcu | 15 Aug 2025AJJC 2025 - Australian Jiu Jitsu Championship | Submission0–3 |
| Lewis Cox | 27 July 2025South Pacific Championship 2025 | Submission6–0 · 1–0 adv |
| Lewis Cox | 27 July 2025South Pacific Championship 2025 | Submission |
| Francis O’Connor | 27 July 2025South Pacific Championship 2025 | Submission |
| Itamar Zeitouni | 6 July 2025Grappling Industries BRISBANE | Submission0–11 |
| Ezekiel Dyson | 6 July 2025Grappling Industries BRISBANE | Submission |
| Angus Wulff | 6 July 2025Grappling Industries BRISBANE | Points0–7 |
| Chase Didlick | 6 July 2025Grappling Industries BRISBANE | Submission |
| Ezekiel Dyson | 6 July 2025Grappling Industries BRISBANE | Submission |
| Chase Didlick | 6 July 2025Grappling Industries BRISBANE | Submission |
| Angus Wulff | 6 July 2025Grappling Industries BRISBANE | Points0–7 |
| Itamar Zeitouni | 6 July 2025Grappling Industries BRISBANE | Points0–6 |
| Arda Topcu | 21 June 2025QJJC - QLD State Championship 2025 | Points0–2 · 0–1 adv · 0–1 pen |