Stadium: Court 4 Round: 54 Ground: Hardcourt indoor
| Stockholm, Singles M-ITF-SWE-05A | 2019/09/23 09:00 | Presuhn, Bastien v Elmer Moller | 3-6,2-6 |
| Stockholm, Singles M-ITF-SWE-05A | 2019/09/23 09:00 | Svensson, Daniel v Matuszewski, Piotr | 5-7,5-7 |
| Varna, Singles M-ITF-BUL-04A | 2019/09/10 08:00 | Quentin Folliot v Matuszewski, Piotr | 6-2,6-3 |
| ITF M15 Haren | 2019/08/28 11:20 | Galarza, Juan Ignacio v Matuszewski, Piotr | 6-2,6-4 |
| ITF M15 Haren | 2019/08/27 09:00 | Matuszewski, Piotr v Clavel, Tom | 4-6,6-1,10-2 |
| ITF M15 Haren | 2019/08/26 11:30 | Matuszewski, Piotr v Hermans, Mats | 6-4,2-6,11-9 |
| ITF M25 Poznan | 2019/08/21 10:00 | Matuszewski, Piotr v Kolasinski, Filip | 2-6,6-4,5-7 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/15 08:00 | Camilo Ugo Carabelli v Matuszewski, Piotr | 6-3,6-2 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/14 09:45 | Recek, Dominik v Matuszewski, Piotr | 4-6,6-1,2-6 |