Round: 25 Ground: Hardcourt outdoor
| ITF Ireland F1 Qual | 2014/07/21 10:00 | Luke Johnson v Joe Cooper | 6-3,6-1 |
| ITF Poland F6 | 2016/08/23 08:00 | Piotr Matuszewski v Daniel Masur | 6-7,4-6 |
| ITF Poland F5 | 2016/08/17 11:50 | David Pel v Piotr Matuszewski | 6-1,6-4 |
| ITF Slovakia F3 | 2016/08/10 08:00 | Piotr Matuszewski v Gibril Diarra | 1-6,2-6 |
| ITF Slovakia F3 | 2016/08/09 07:30 | Isa Mammetgulyyev v Piotr Matuszewski | 1-6,2-6 |
| ITF Slovakia F3 | 2016/08/07 07:30 | Piotr Matuszewski v Alex Knaff | 6-4,6-3 |
| Challenger Poznan Qual | 2016/07/09 10:20 | Piotr Matuszewski v Tak Khunn Wang | 4-6,1-6 |
| ITF Poland F3 | 2016/06/06 09:00 | Piotr Matuszewski v Fabrizio Ornago | 3-6,2-6 |
| Challenger Ostrava Qual | 2016/04/23 09:40 | Piotr Matuszewski v Petr Michnev | 2-6,2-6 |