Mauricio Kowalski

ADCC Amateur World Championship 2026 2026-09-11

• Lost vs Павел Паллон (Stealth BJJ San Sebastián)
  Boys 11-12 years / Boys 11-12 years / -40 kg · Round 3 · points
• Won vs Aleksander Wrona (Marga BJJ Garwolin)
  Boys 11-12 years / Boys 11-12 years / -40 kg · Round 2 · submission

All Stars BJJ London 2025-07-19

🥇 1st Juniornogi / Male / Intermediate / Teen 1 / 34kg or less · 🥇 1st Junior / Male / Grey / Teen 1 / 34kg or less

• Won vs Ewan Farrelly (CHECKMAT SIDCUP)
  Juniornogi / Male / Intermediate / Teen 1 / 34kg or less · Round 1 · walkover
• Won vs Charlie Earey (ZR Team UK)
  Junior / Male / Grey / Teen 1 / 34kg or less · Round 2 · submission
• Won vs Luke Todd (Roger Gracie Welwyn, Garden, City)
  Junior / Male / Grey / Teen 1 / 34kg or less · Round 1 · submission

Grappling Industries LONDON 2025-07-12

🥇 1st No Gi Kids / Intermediate (Grey) / 10 - 11 years / -75 lbs · 🥇 1st Gi Kids / Grey / 10 - 11 years / -75 lbs

• Won vs Ewan Farrelly (CHECKMAT INTERNATIONAL)
  No Gi Kids / Intermediate (Grey) / 10 - 11 years / -75 lbs · Round 2 · submission
• Won vs Angelo Siciliani (RT-BJJ)
  No Gi Kids / Intermediate (Grey) / 10 - 11 years / -75 lbs · Round 1 · submission
• Won vs Ewan Farrelly (CHECKMAT INTERNATIONAL)
  Gi Kids / Grey / 10 - 11 years / -75 lbs · Round 3 · submission
• Won vs Angelo Siciliani (RT-BJJ)
  Gi Kids / Grey / 10 - 11 years / -75 lbs · Round 2 · submission
• Won vs Ayman Miah (MMA LDN)
  Gi Kids / Grey / 10 - 11 years / -75 lbs · Round 1 · submission

ADCC UK English Open Championships 2025 2025-04-26

🥇 1st Boys 11-12 yr / Juniors / Intermediate / -32.0 kg

• Won vs Amir Rahman (Centre Line BJJ)
  Boys 11-12 yr / Juniors / Intermediate / -32.0 kg · Round 2 · submission

NAGA London Grappling Championship 2025-03-15

🥇 1st Children No-Gi (Male) / Intermediate / 30 - 34.9 / 10-11 years · 🥇 1st Children Gi (Male) / Intermediate / 30 - 34.9 / 10-11 years

• Won vs Vladimir Simonov (Sport Club Achilles (Finland))
  Children Gi (Male) / Intermediate / 30 - 34.9 / 10-11 years · Round 2 · points
• Won vs Adrian Miecznikowski (Ultimate Athlete MMA Academy)
  Children Gi (Male) / Intermediate / 30 - 34.9 / 10-11 years · Round 1 · submission
• Won vs Adrian Miecznikowski (Ultimate Athlete MMA Academy)
  Children No-Gi (Male) / Intermediate / 30 - 34.9 / 10-11 years · Round 2 · submission
• Won vs Vladimir Simonov (Sport Club Achilles (Finland))
  Children No-Gi (Male) / Intermediate / 30 - 34.9 / 10-11 years · Round 1 · submission