John Donald Roback

• 3×Pan
• 2×Mundial Master
• 4×Opens
• 1×Opens

2026

• Pan IBJJF Jiu-Jitsu Championship 2026

  purple belt · master 7 · heavy

2025

• Pan IBJJF Jiu-Jitsu Championship 2025

  purple belt · master 7 · heavy

• World Master IBJJF Jiu-Jitsu Championship 2025

  purple belt · master 7 · heavy

2024

• World Master IBJJF Jiu-Jitsu Championship 2024

  blue belt · master 7 · middle

1 Open · 1 gold

2023

• Pan IBJJF Jiu-Jitsu Championship 2023

  blue belt · master 7 · light

2 Opens · 1 gold · 1 bronze