Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M25 Falun | 2019/09/29 11:00 | Matuszewski, Piotr v Galus, Piotr | 3-6,6-2,10-7 |
| 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 |
| ITF M25 Falun | 2019/09/29 11:00 | Gustafsson, Carl v Sizya Ernest Kivanda | 6-7,6-4,10-7 |
| Stockholm, Singles M-ITF-SWE-05A | 2019/09/23 10:30 | Gustafsson, Carl v Khomich, Aleksei | 6-7,4-6 |
| Ystad, Singles M-ITF-SWE-03A | 2019/08/05 10:30 | Bhullard, Rana-Roop Singh v Gustafsson, Carl | 6-1,2-6,10-8 |
| ITF - M15 Kalmar | 2019/05/15 10:15 | Karl Friberg v Gustafsson, Carl | 7-5,6-0 |
| ITF - M15 Kalmar | 2019/05/14 09:55 | Khotkov, Oleg v Gustafsson, Carl | 4-6,6-0,5-10 |
| ITF - M15 Kalmar | 2019/05/13 12:25 | Danell, Jacob v Gustafsson, Carl | 1-6,0-6 |
| ITF Sweden F5 | 2018/10/02 12:00 | Gustafsson, Carl v Nam Hoang Ly | 3-6,2-6 |
| ITF Sweden F5 | 2018/09/30 09:55 | Robin Thour v Gustafsson, Carl | 2-6,6-7 |