Koji Iwasaki

1º lugar

• European Jiu-Jitsu IBJJF Championship 2016 — PURPLE / Master 3 / Male / Feather (Champion)
• European IBJJF Jiu-Jitsu Championship 2023 (Flo) — BLACK / Master 5 / Male / Feather (Champion)
• Pan IBJJF Jiu-Jitsu Championship 2024 (Flo) — BLACK / Master 5 / Male / Feather (Champion)

2º lugar

• European Jiu-Jitsu IBJJF Championship 2017 — BROWN / Master 3 / Male / Feather (Runner-up)
• World Master Jiu-Jitsu IBJJF Championship 2019 — BROWN / Master 4 / Male / Feather (Runner-up)
• Pan Jiu-Jitsu IBJJF Championship 2019 — BROWN / Master 4 / Male / Feather (Runner-up)
• London International Open IBJJF Jiu-Jitsu Championship 2022 (BJJHeroes) — BLACK / Master 4 / Male / Light (Runner-up)
• Master International Jiu-Jitsu Championship - North America 2023 (Flo) — BLACK / Master 5 / Male / Feather (Runner-up)
• Master International Jiu-Jitsu IBJJF Championship – North America 2023 — BLACK / Master 5 / Male / Feather (Runner-up)
• Pan IBJJF Jiu-Jitsu Championship 2023 (Flo) — BLACK / Master 5 / Male / Feather (Runner-up)
• European IBJJF Jiu-Jitsu Championship 2024 (Flo) — BLACK / Master 5 / Male / Feather (Runner-up)
• Master International Jiu-Jitsu Championship - North America 2024 (Flo) — BLACK / Master 5 / Male / Feather (Runner-up)
• Campeonato Brasileiro de Jiu-Jitsu 2024 (Flo) — BLACK / Master 5 / Male / Feather (Runner-up)
• Master International Jiu-Jitsu IBJJF Championship – North America 2024 — BLACK / Master 5 / Male / Feather (Runner-up)
• Master International Jiu-Jitsu Championship - North America 2025 — BLACK / Master 5 / Male / Feather (Runner-up)
• Pan IBJJF Jiu-Jitsu Championship 2026 — BLACK / Master 5 / Male / Feather (Runner-up)
• Campeonato Brasileiro de Jiu-Jitsu 2026 — BLACK / Master 5 / Male / Feather (Runner-up)

3º lugar

• European Jiu-Jitsu IBJJF Championship 2015 — PURPLE / Master 3 / Male / Feather (3rd Place)
• Pan Jiu-Jitsu IBJJF Championship 2015 — PURPLE / Master 3 / Male / Feather (3rd Place)
• Pan Jiu-Jitsu IBJJF Championship 2016 — BROWN / Master 3 / Male / Light Feather (3rd Place)
• Master International Jiu-Jitsu IBJJF Championship – Europe 2017 — BROWN / Master 3 / Male / Feather (3rd Place)
• Pan Pacific Jiu-Jitsu IBJJF Championship 2017 — BROWN / Master 3 / Male / Light (3rd Place)
• World Master Jiu-Jitsu IBJJF Championship 2017 — BROWN / Master 3 / Male / Feather (3rd Place)
• Pan Jiu-Jitsu IBJJF Championship 2017 — BROWN / Master 3 / Male / Feather (3rd Place)
• European Jiu-Jitsu IBJJF Championship 2018 — BROWN / Master 3 / Male / Feather (3rd Place)
• Pan Jiu-Jitsu IBJJF Championship 2018 — BROWN / Master 3 / Male / Feather (3rd Place)
• World Master IBJJF Jiu-Jitsu Championship 2022 (Flo) — BLACK / Master 4 / Male / Feather (3rd Place)
• Master International Jiu-Jitsu Championship - North America 2023 (Flo) — BLACK / Master 5 / Male / Open Class (3rd Place)
• Master International Jiu-Jitsu IBJJF Championship – North America 2023 — BLACK / Master 5 / Male / Open Class (3rd Place)
• World Master IBJJF Jiu-Jitsu Championship 2023 (Flo) — BLACK / Master 5 / Male / Feather (3rd Place)
• European IBJJF Jiu-Jitsu Championship 2025 — BLACK / Master 5 / Male / Feather (3rd Place)
• European IBJJF Jiu-Jitsu Championship 2026 — BLACK / Master 5 / Male / Feather (3rd Place)