MatstoriesBeat the podium
Beat 2 of that day's medalists
A recorded win over someone who medaled at the same event.
Isaiah Castro is a White belt Brazilian jiu-jitsu competitor from Oamaru Grappling Club, with a recorded Australian record of 7–2.
Fought 9 recorded matches as White since Feb 2026
White, 9 recorded matches at this beltBeat the podium
Beat 2 of that day's medalists
A recorded win over someone who medaled at the same event.
Wins
7
Win rate
78%
Losses
2
Gi
75%
3–1 · 4 matches
No-Gi
80%
4–1 · 5 matches
By belt
Mat Score
All-time on the current belt board
Recorded Australian matches Matstories has synced. Not a world record.
Men Gi / White / Adult / Ultra Heavy (over 100.2kg)
27 June 2026 · NZ GRAPPLER Winter Challenge > Dunedin
Men Gi / White / Adult / Ultra Heavy (over 100.2kg)
11 Apr 2026 · WĀNAKA AUTUMN OPEN 2026
Male No-Gi / White / Adult / -97,0 kg (Super heavy)
11 Apr 2026 · WĀNAKA AUTUMN OPEN 2026
Male No-Gi / White / Adult / -97,0 kg (Super heavy)
14 Feb 2026 · Submission Zone 1st Edition
Juvenile Boys / No-Gi / 16-17 Years Over 60KG
14 Feb 2026 · Submission Zone 1st Edition
Juvenile Boys / No-Gi / 16-17 Years Over 60KG
| Magnus Campbell | 27 June 2026 · NZ GRAPPLER Winter Challenge > Dunedin | Men Gi / White / Adult / Ultra Heavy (over 100.2kg) | Walkover |
| Magnus Campbell | 27 June 2026 · NZ GRAPPLER Winter Challenge > Dunedin | Men Gi / White / Adult / Ultra Heavy (over 100.2kg) | Walkover |
| Walid Ouhassine | 11 Apr 2026 · WĀNAKA AUTUMN OPEN 2026 | Male No-Gi / White / Adult / -97,0 kg (Super heavy) | Points9–0 · 0–1 adv |
| Christopher Hathaway | 11 Apr 2026 · WĀNAKA AUTUMN OPEN 2026 | Male No-Gi / White / Adult / -97,0 kg (Super heavy) | Submission1–0 adv |
| Keeley Boyd | 11 Apr 2026 · WĀNAKA AUTUMN OPEN 2026 | Male Gi / White / Adult / -94,3 kg (Heavy) | ClosePoints6–5 |
| Tadhg O Halloran | 11 Apr 2026 · WĀNAKA AUTUMN OPEN 2026 | Male Gi / White / Adult / -94,3 kg (Heavy) | Points0–13 |
| Oliver Russell | 14 Feb 2026 · Submission Zone 1st Edition | Juvenile Boys / No-Gi / 16-17 Years Over 60KG | submission overtime |
| Madix Arthurs | 14 Feb 2026 · Submission Zone 1st Edition | Juvenile Boys / No-Gi / 16-17 Years Over 60KG | submission overtime |
| Harlow-Bronx Griffin-Adams | 14 Feb 2026 · Submission Zone 1st Edition | Juvenile Boys / No-Gi / 16-17 Years Over 60KG | submission overtime |
9 rows