MatstoriesBeat the podium
Beat 3 of that day's medalists
A recorded win over someone who medaled at the same event.
Oleksandr Kovalchuk is a White belt Brazilian jiu-jitsu competitor from Cia Paulista Australia, with a recorded Australian record of 4–5.
Fought 9 recorded matches as White since May 2026
White, 9 recorded matches at this beltBeat the podium
Beat 3 of that day's medalists
A recorded win over someone who medaled at the same event.
Wins
4
Win rate
44%
Losses
5
Gi
50%
2–2 · 4 matches
No-Gi
40%
2–3 · 5 matches
By belt
Mat Score
All-time on the current belt board
Recorded Australian matches Matstories has synced. Not a world record.
| 14 June 2026Savage Grappling June 14th |
Submission |
| Andrei Obraztsov | 14 June 2026Savage Grappling June 14th | Submission |
| Luke Colussi | 14 June 2026Savage Grappling June 14th | Points |
| Jayden Duong | 14 June 2026Savage Grappling June 14th | Submission |
| Nicholas Matthew O'Callaghan | 14 June 2026Savage Grappling June 14th | Points |
| Paul Kusmanoff | 14 June 2026Savage Grappling June 14th | Submission |
| Deziah Tui | 14 June 2026Savage Grappling June 14th | Points |
| Brady Niezgodka | 16 May 2026VJJC 2026 - Victorian Jiu Jitsu Championship | Submission |
| Nick Barreto | 16 May 2026VJJC 2026 - Victorian Jiu Jitsu Championship | Points |
9 rows