Dennis Alexsander Kollof

• 4×Europeu
• 3×Europeu

2026

• European IBJJF Jiu-Jitsu Championship 2026

  brown belt · master 4 · super-heavy

2025

• European IBJJF Jiu-Jitsu Championship 2025

  brown belt · master 4 · ultra-heavy

2024

• European IBJJF Jiu-Jitsu Championship 2024

  brown belt · master 4 · ultra-heavy

2023

• European IBJJF Jiu-Jitsu Championship 2023

  brown belt · master 3 · ultra-heavy

2022

• European IBJJF Jiu-Jitsu Championship 2022

  purple belt · master 3 · ultra-heavy

2020

• European IBJJF Jiu-Jitsu Championship 2020

  purple belt · master 3 · ultra-heavy

2018

• European IBJJF Jiu-Jitsu Championship 2018

  blue belt · master 2 · ultra-heavy