Stadium: Court 4 Round: 54 Ground: Clay
| ITF - M15 Tbilisi | 2019/05/01 11:00 | Matuszewski, Piotr v Bothwell, Peter | 7-6,1-6,4-6 |
| ITF - M15 Tbilisi | 2019/04/30 06:00 | Matuszewski, Piotr v Mikel Martinez | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/04/11 08:00 | Daniel Michalski v Matuszewski, Piotr | 6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2019/04/10 08:00 | Matuszewski, Piotr v Kiyamov, Timur | 6-4,6-7,7-6 |
| ITF - M15 Sharm El Sheikh | 2019/04/09 09:45 | Matuszewski, Piotr v Ruzgas, Marius | 7-6,6-3 |
| Oslo, Singles M-ITF-NOR-01A | 2019/03/05 09:00 | Stevens, Bart v Matuszewski, Piotr | 2-6,6-1,10-8 |
| Oslo, Singles M-ITF-NOR-01A | 2019/03/04 09:00 | Matuszewski, Piotr v Solberg, Christoffer | 7-6,6-4 |
| ITF M15 Kaarst | 2019/02/06 13:15 | Matuszewski, Piotr v Vadym Ursu | 6-7,0-6 |