Stadium: Court 1 Round: 44 Ground: Hardcourt indoor
| ITF Poland F6 | 2018/08/09 12:15 | Piotr Matuszewski v Vladyslav Orlov | 2-6,6-4,3-6 |
| ITF Poland F6 | 2018/08/07 08:00 | Piotr Matuszewski v Kamil Gajewski | 6-3,4-6,6-4 |
| ITF Latvia F1 | 2018/07/30 07:10 | Piotr Matuszewski v Pierre Faivre | 2-6,2-6 |
| ITF Poland F4 | 2018/05/24 09:30 | Omar Salman v Piotr Matuszewski | 6-3,6-1 |
| ITF Poland F3 | 2018/05/16 08:00 | Wojciech Marek v Piotr Matuszewski | 6-2,4-6,6-1 |
| ITF Poland F1 | 2018/04/29 07:00 | Piotr Matuszewski v Dominik Recek | 2-6,6-4,2-6 |
| ITF Poland F1 | 2018/04/28 10:30 | Piotr Matuszewski v Javier Araya | 6-2,6-4 |
| ITF Egypt F13 | 2018/04/07 12:00 | Piotr Matuszewski v Gage Brymer | 0-6,2-6 |
| ITF Germany F9 | 2017/07/30 08:00 | Tim Van Terheijden v Julian kenzlers | 6-0,6-1 |