Mateusz Szczecinski
BlackBiography
Mateusz Szczecinski is a Polish Brazilian jiu-jitsu black belt and submission grappler known for his intricate guard and devastating lower-body submission game. One of Europe’s top modern no-gi competitors, Szczecinski built his reputation through aggressive attacking sequences and rapid finishes, particularly with his powerful straight ankle lock. He is credited with popularizing the “shotgun grip” when applying the straight ankle lock, a configuration he used to end many matches quickly on the international circuit.
Szczecinski rose to prominence through his strong performances at the European ADCC Trials and later competed at the ADCC World Championships, establishing himself as one of the most dangerous leg-lock specialists in his division. He has also been a frequent competitor on Polaris and other major professional grappling platforms, where his aggressive style and ability to force early submissions made him a standout.
Known for his intricate entanglement sequences, sharp leg-lock transitions, berimbolo entries, and ability to generate immediate breaking pressure, Szczecinski has become one of Europe’s most respected and feared submission grapplers. His finishing-oriented approach, signature straight-ankle lock variations, and fast armbars have made him a consistent threat in every match he enters.
Personal
* Legend status is reserved for retired athletes with outstanding achievements and a lasting impact on the sport.
Rankings
Submissions Breakdown
| Submission | Wins | Losses |
|---|---|---|
| Straight ankle lock | 16 | 0 |
| Armbar | 12 | 1 |
| Rear naked | 9 | 1 |
| Outside heel hook | 5 | 0 |
| Inside heel hook | 4 | 0 |
| Aoki lock | 3 | 0 |
| Triangle | 2 | 0 |
| Aoki | 1 | 0 |
| Kneebar | 1 | 0 |
| Woj lock | 1 | 0 |
| Baratoplata | 1 | 0 |
| Opponent | Result | Date | Event | Method | Weight | Round | Points |
|---|---|---|---|---|---|---|---|
| Herjaat Rashid | Win | 11/1/2025 | Polaris 34 | Decision | Open | — | 375 |
| Tommy Yip | Win | 11/1/2025 | Polaris 34 | Baratoplata | Open | — | 375 |
| Mohammed Avtarhanov | Loss | 11/1/2025 | Polaris 34 | Decision | Open | — | — |
| Igor Tanabe | Win | 11/1/2025 | Polaris 34 | Decision | Open | — | 375 |
| Tommy Yip | Win | 11/1/2025 | Polaris 34 | Woj lock | Open | — | 375 |
| Mohammed Avtarhanov | Win | 11/1/2025 | Polaris 34 | Straight ankle lock | Open | — | 375 |
| Hejraat Rashid | Win | 11/1/2025 | Polaris 34 | Armbar | Open | — | 375 |
| Oliver Taza | Win | 11/1/2025 | Polaris 34 | Decision | Open | — | 375 |
| Julian Espinosa | Win | 2/8/2025 | Polaris 31 | Decision | Quintet | — | 375 |
| Mike Perez | Loss | 2/8/2025 | Polaris 31 | Decision | Quintet | — | — |
| Kieran Kichuk | Win | 2/8/2025 | Polaris 31 | Straight ankle lock | Quintet | — | 375 |
| PJ Barch | Win | 2/8/2025 | Polaris 31 | Armbar | Quintet | — | 375 |
| Chris Wojcik | Win | 2/8/2025 | Polaris 31 | Decision | Quintet | — | 375 |
| Levi Jones-Leary | Win | 6/15/2024 | Polaris 28 | Decision | 77KG | — | 356 |
| PJ Barch | Loss | 2024 | ADCC | Points: 2-0 | 77KG | Quarter-Finals | — |
| PJ Barch | Loss | 2024 | ADCC | Points: 2-0 | 77KG | Quarter-Finals | — |
| Garry Tonon | Win | 2024 | ADCC | Armbar | 77KG | 16 | 309 |
| Muhammad Dzharbaev | Win | 2024 | Turkey Qualifier (AIGA) | Rear naked | 76KG | Finals | 10 |
| Nicolas Filipponi | Win | 2024 | Turkey Qualifier (AIGA) | Rear naked | 76KG | Semi-Finals | 6 |
| Jafar Tamimi | Win | 2024 | Turkey Qualifier (AIGA) | Rear naked | 76KG | Quarter-Finals | 1 |
| Davis Asare | Loss | 2024 | ADCC Trials - Europe | Points: 2-0 | 77KG | Quarter-Finals | — |
| Liam Alpang | Win | 2024 | ADCC Trials - Europe | Armbar | 77KG | 16 | 24 |
| Thomas Barry | Win | 2024 | ADCC Trials - Europe | Armbar | 77KG | 32 | 19 |
| Ollie Web | Win | 2024 | ADCC Trials - Europe | Rear naked | 77KG | 64 | 14 |
| Ollie Web | Win | 2024 | ADCC Trials - Europe | Straight ankle lock | 77KG | 128 | 14 |
| Tommy Langaker | Loss | 2023 | No-Gi Euros | Points: 3-2 | 79KG | Finals | — |
| Lucas Protasio | Win | 2023 | No-Gi Euros | Armbar | 79KG | Semi-Finals | 85 |
| Fabio Caloi | Win | 2023 | No-Gi Euros | Armbar | 79KG | Quarter-Finals | 30 |
| Mehdi Meziri | Win | 2023 | No-Gi Euros | Rear naked | 79KG | 16 | 21 |
| Pavel Kalesnik | Win | 2023 | No-Gi Euros | Inside heel hook | 79KG | 32 | 17 |
| Jed Hue | Win | 2023 | Polaris 24 | Straight ankle lock | N/A | — | 319 |
| Jozef Chen | Loss | 2023 | ADCC Trials - Europe | Decision | 77KG | Quarter-Finals | — |
| Jan Stach | Win | 2023 | ADCC Trials - Europe | Rear naked | 77KG | 16 | 21 |
| Mateusz Flaga | Win | 2023 | ADCC Trials - Europe | Straight ankle lock | 77KG | 32 | 17 |
| Ilyas Qazi | Win | 2023 | ADCC Trials - Europe | Rear naked | 77KG | 64 | 13 |
| Nathan Zechut | Win | 2023 | ADCC Trials - Europe | Armbar | 77KG | 128 | 13 |
| Oliver Taza | Loss | 2022 | Polaris 22 | Decision | 86KG | Quarter-Finals | — |
| Dante Leon | Loss | 2022 | ADCC | Decision | 77KG | Quarter-Finals | — |
| Dante Leon | Loss | 2022 | ADCC | Decision | 77KG | Quarter-Finals | — |
| William Tackett | Win | 2022 | ADCC | Aoki lock | 77KG | 16 | 276 |
| William Tackett | Win | 2022 | ADCC | Aoki lock | 77KG | 16 | 276 |
| Tommy Langaker | Loss | 2022 | ADCC Trials - Europe | Rear naked | 77KG | Finals | — |
| Ellis Younger | Win | 2022 | ADCC Trials - Europe | Armbar | 77KG | Semi-Finals | 170 |
| Jozef Chen | Win | 2022 | ADCC Trials - Europe | Straight ankle lock | 77KG | Quarter-Finals | 30 |
| Davis Asare | Win | 2022 | ADCC Trials - Europe | Outside heel hook | 77KG | Quarter-Finals | 30 |
| Dave Asare | Win | 2022 | ADCC Trials - Europe | Kneebar | 77KG | 16 | 21 |
| Seba Sonntag | Win | 2022 | ADCC Trials - Europe | Outside heel hook | 77KG | 32 | 17 |
| Jack Tayley | Win | 2022 | ADCC Trials - Europe | Rear naked | 77KG | 64 | 13 |
| Dante Leon | Loss | 2022 | GrappleFest 11 | Armbar | 80KG | — | — |
| Pierre-Olivier Leclerc | Loss | 2021 | GrappleFest 10 | Decision | Unknown | — | — |
| Ellis Younger | Win | 2021 | Polaris 17 | Straight ankle lock | 77KG | — | 225 |
| Hejraat Rashid | Win | 2021 | ADCC Trials - Europe | Armbar | 77KG | — | 21 |
| Oliver Taza | Loss | 2021 | ADCC Trials - Europe | Penalty | 77KG | Semi-Finals | — |
| Filiponi Nicolas | Win | 2021 | ADCC Trials - Europe | Armbar | 77KG | Quarter-Finals | 21 |
| Ross Nicholss | Win | 2021 | ADCC Trials - Europe | Aoki lock | 77KG | 16 | 15 |
| Ross Nicholls | Win | 2021 | ADCC Trials - Europe | Aoki | 77KG | 16 | 15 |
| Pawel Jaworski | Win | 2021 | ADCC Trials - Europe | Inside heel hook | 77KG | 32 | 12 |
| Gadzhiev Arslan | Win | 2021 | United World Wrestling | Armbar | 77KG | Finals | 7 |
| Emanoely Omer | Win | 2021 | United World Wrestling | Rear naked | 77KG | Semi-Finals | 4 |
| Taube Piter | Win | 2021 | United World Wrestling | Straight ankle lock | 77KG | Quarter-Finals | 1 |
| Eliot Curtis | Win | 2021 | United World Wrestling | Straight ankle lock | 77KG | 16 | 1 |
| Bartosz Lukaszewicz | Win | 2020 | ADCC Open Poland | Straight ankle lock | N/A | Finals | 19 |
| Lukasz Baranowski | Win | 2020 | ADCC Open Poland | Outside heel hook | N/A | Semi-Finals | 11 |
| Grzegorz Białas | Win | 2020 | ADCC Open Poland | Inside heel hook | N/A | Quarter-Finals | 2 |
| Jed Hue | Draw | 2020 | Polaris Squads | N/A | Absolute | — | 57 |
| Dominic Dillon | Draw | 2020 | Polaris Squads | N/A | Absolute | — | 57 |
| Bradley Hill | Draw | 2020 | Polaris Squads | N/A | Absolute | — | 57 |
| Sean McDonagh | Win | 2019 | GrappleFest 6 | Outside heel hook | 77KG | — | 11 |
| Bartosz Lucas | Win | 2018 | ADCC Trials - Europe | Triangle | 77KG | — | 11 |
| Ross Nicholss | Loss | 2018 | ADCC Trials - Europe | Decision | 77KG | Semi-Finals | — |
| Ross Nicholls | Loss | 2018 | ADCC Trials - Europe | Decision | 77KG | Semi-Finals | — |
| Jan Stach | Win | 2018 | ADCC Trials - Europe | Points: 2-0 | 77KG | Quarter-Finals | 11 |
| Posa Joona | Win | 2018 | ADCC Trials - Europe | Straight ankle lock | 77KG | 16 | 8 |
| Thomas Magnitis | Win | 2018 | ADCC Trials - Europe | Outside heel hook | 77KG | 32 | 6 |
| Olias Dikelis | Win | 2018 | ADCC Trials - Europe | Inside heel hook | 77KG | 64 | 5 |
| Janusz Andrejczuk | Win | 2018 | XIV MP ADCC | Straight ankle lock | 77KG | Finals | 3 |
| Kuba Witkowski | Win | 2018 | XIV MP ADCC | Straight ankle lock | 77KG | Semi-Finals | 2 |
| Bartosz Lukaszewicz | Win | 2018 | XIV MP ADCC | Decision | 77KG | Quarter-Finals | 1 |
| Kacper Rot | Win | 2018 | Polish Nationals | Triangle | N/A | Finals | 3 |
| Marcin Held | Win | 2018 | Polish Nationals | Straight ankle lock | N/A | Semi-Finals | 2 |
| Paweł Tomalik | Win | 2018 | Polish Nationals | Straight ankle lock | N/A | Quarter-Finals | 1 |
| Filip Sadowski | Win | 2018 | Polish Nationals | Straight ankle lock | N/A | 16 | 1 |