Stadium: Court 4 Round: 54 Ground: Clay
| ITF M15 Tbilisi | 2019/05/01 11:00 | Piotr Matuszewski v Peter Bothwell | 7-6,1-6,4-6 |
| ITF M15 Tbilisi | 2019/04/30 06:00 | Piotr Matuszewski v Mikel Martinez | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2019/04/11 08:00 | Daniel Michalski v Piotr Matuszewski | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2019/04/10 08:00 | Piotr Matuszewski v Timur Kiyamov | 6-4,6-7,7-6 |
| ITF M15 Sharm El Sheikh | 2019/04/09 09:45 | Piotr Matuszewski v Marius Ruzgas | 7-6,6-3 |
| ITF M15 Oslo | 2019/03/05 09:00 | Bart Stevens v Piotr Matuszewski | 2-6,6-1,10-8 |
| ITF M15 Oslo | 2019/03/04 09:00 | Piotr Matuszewski v Christoffer Solberg | 7-6,6-4 |
| ITF M15 Kaarst | 2019/02/06 13:15 | Piotr Matuszewski v Vadym Ursu | 6-7,0-6 |