Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Poznan | 2019/08/21 10:00 | Piotr Matuszewski v Filip Kolasinski | 2-6,6-4,5-7 |
| Challenger Forli Qual | 2021/12/05 10:45 | Piotr Matuszewski v Francesco Vilardo | 6-2,6-4 |
| Challenger Pau | 2021/11/14 11:15 | Nikolas Sanchez Izquierdo v Piotr Matuszewski | 6-2,6-1 |
| Challenger Szczecin | 2021/09/12 09:00 | Jesper De Jong v Piotr Matuszewski | 6-3,6-4 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 16:00 | Piotr Matuszewski v Dawid Taczala | 1-6,6-4,7-10 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 11:05 | Piotr Matuszewski v Simon Sedliak | 2-6,6-4,10-4 |
| Polish National Tour | 2021/07/13 10:35 | Piotr Matuszewski v Wojciech Marek | 6-4,6-3 |
| ITF M25 Casinalbo | 2021/07/05 07:30 | Piotr Matuszewski v Gabriel Roveri Sidney | 6-2,4-6,6-10 |
| ITF M25 Casinalbo | 2021/07/04 08:45 | Piotr Matuszewski v Lorenzo Favero | 6-4,6-4 |
| ITF M25 Poznan | 2021/08/25 09:50 | Alejo Lorenzo Lingua Lavallen v Filip Kolasinski | 6-7,6-1,6-1 |
| ITF M15 Lodz | 2021/08/19 11:05 | Filip Kolasinski v Pawel Juszczak | 6-3,2-6,2-6 |
| ITF M15 Gdynia | 2021/08/10 08:00 | Roman Andres Burruchaga v Filip Kolasinski | 6-2,6-4 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Gianni Ross v Filip Kolasinski | 7-6,1-6,9-11 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/03 12:30 | Toby Alex Kodat v Filip Kolasinski | 6-0,6-2 |
| ITF M25 Poznan | 2020/08/27 10:30 | Filip Kolasinski v Vit Kopriva | 4-6,3-6 |
| ITF M25 Poznan | 2020/08/26 09:55 | Filip Kolasinski v Pawel Juszczak | 6-2,0-6,6-3 |
| ITF M25 Poznan | 2020/08/25 07:50 | Filip Kolasinski v Nikolas Lahky | 6-4,6-3 |