MatstoriesWin streak
4 in a row
Won the last 4 recorded matches. Those results are at the top of the match list.
Koen Cook is a Grey belt Brazilian jiu-jitsu competitor from Evolve Brazilian Jiu Jitsu, with a recorded Australian record of 6–5.
Fought 11 recorded matches as Grey since Feb 2026
Grey, 11 recorded matches at this beltWin streak
4 in a row
Won the last 4 recorded matches. Those results are at the top of the match list.
Wins
6
Win rate
55%
Losses
5
Gi
57%
4–3 · 7 matches
No-Gi
50%
2–2 · 4 matches
By belt
Mat Score
All-time on the current belt board
Recorded Australian matches Matstories has synced. Not a world record.
| Arthur Vella | 9 Aug 2026COFFS COAST OPEN 2026 - THE TRILOGY 2 | Submission8–0 · 1–0 adv · 0–2 pen |
| Oliver Hooper | 9 Aug 2026COFFS COAST OPEN 2026 - THE TRILOGY 2 | Submission2–0 · 1–1 adv · 0–1 pen |
| Oliver Hooper | 9 Aug 2026COFFS COAST OPEN 2026 - THE TRILOGY 2 | Submission2–0 |
| Ernest Trautsch | 9 Aug 2026COFFS COAST OPEN 2026 - THE TRILOGY 2 | Submission15–0 · 1–1 adv · 1–0 pen |
| Alessio Perrigo | 25 July 2026QJJC - QLD State Championship 2026 | Submission |
| Benji Tocknell | 25 July 2026QJJC - QLD State Championship 2026 | Points |
| James Edwards | 25 July 2026QJJC - QLD State Championship 2026 | Submission |
| Khoda Demir | 14 June 2026Port Macquarie Open 2026 | Submission |
| Ryder Ireland | 14 June 2026Port Macquarie Open 2026 | Points |
| Jeremy Byrne | 22 Feb 2026BJJ NATIONAL AUSTRALIAN OPEN 2026 | Submission |
| Maddox Ropati | 22 Feb 2026BJJ NATIONAL AUSTRALIAN OPEN 2026 | Points |
11 rows