Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M25 Stockholm | 2019/09/24 10:35 | Elmer Moller v Piotr Matuszewski | 6-7,6-2,10-8 |
| ITF M25 Stockholm | 2019/09/23 09:00 | Daniel Svensson v Piotr Matuszewski | 5-7,5-7 |
| ITF M15 Varna | 2019/09/10 08:00 | Quentin Folliot v Piotr Matuszewski | 6-2,6-3 |
| ITF M15 Haren | 2019/08/28 11:20 | Juan Ignacio Galarza v Piotr Matuszewski | 6-2,6-4 |
| ITF M15 Haren | 2019/08/27 09:00 | Piotr Matuszewski v Tom Clavel | 4-6,6-1,10-2 |
| ITF M15 Haren | 2019/08/26 11:30 | Piotr Matuszewski v Mats Hermans | 6-4,2-6,11-9 |
| ITF M25 Poznan | 2019/08/21 10:00 | Piotr Matuszewski v Filip Kolasinski | 2-6,6-4,5-7 |
| ITF M25 Bydgoszcz | 2019/08/15 08:00 | Camilo Ugo Carabelli v Piotr Matuszewski | 6-3,6-2 |
| Challenger Szczecin | 2019/09/10 13:45 | Daniel Masur v Piotr Galus | 6-3,7-6 |
| Challenger Szczecin | 2019/09/09 12:00 | Maciej Smola v Piotr Galus | 6-4,3-6,3-6 |
| ITF M15 Haren | 2019/08/26 09:00 | Aloys J W Van Baal v Piotr Galus | 6-3,6-4 |
| ITF M15 Haren | 2019/08/25 08:00 | Piotr Galus v Jing L Weng | 1-6,6-2,10-4 |
| ITF M25 Poznan | 2019/08/21 13:40 | Piotr Galus v Nicolas Alvarez | 6-7,1-6 |
| ITF M25 Poznan | 2019/08/20 10:25 | Piotr Galus v Norbert Tadyszak | 6-1,6-1 |
| ITF M25 Bydgoszcz | 2019/08/13 08:00 | Vitaliy Sachko v Piotr Galus | 6-1,6-1 |
| ITF M25 Bydgoszcz | 2019/08/12 08:00 | Nikolas Lahky v Piotr Galus | 3-6,6-3,8-10 |