Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| Stockholm, Singles M-ITF-SWE-05A | 2019/09/24 10:35 | Elmer Moller v Matuszewski, Piotr | 6-7,6-2,10-8 |
| 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 |
| Challenger Szczecin | 2019/09/10 13:45 | Daniel Masur v Galus, Piotr | 6-3,7-6 |
| Challenger Szczecin | 2019/09/09 12:00 | Smola, Maciej v Galus, Piotr | 6-4,3-6,3-6 |
| ITF M15 Haren | 2019/08/26 09:00 | van Baal, Aloys Johannes Willem v Galus, Piotr | 6-3,6-4 |
| ITF M15 Haren | 2019/08/25 08:00 | Galus, Piotr v Weng, Jing Long | 1-6,6-2,10-4 |
| ITF M25 Poznan | 2019/08/21 13:40 | Galus, Piotr v Nicolas Alvarez | 6-7,1-6 |
| ITF M25 Poznan | 2019/08/20 10:25 | Galus, Piotr v Tadyszak, Norbert | 6-1,6-1 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/13 08:00 | Vitaliy Sachko v Galus, Piotr | 6-1,6-1 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/12 08:00 | Lahky, Nikolas v Galus, Piotr | 3-6,6-3,8-10 |