Stadium: Court 1 Round: 44 Ground: Hardcourt indoor
| ITF Germany F14 | 2018/10/01 10:00 | Matuszewski, Piotr v Laurin Aerne | 3-6,2-6 |
| ITF Germany F14 | 2018/09/30 11:30 | Matuszewski, Piotr v Presuhn, Bastien | 1-6,7-6,6-3 |
| ITF Ukraine F4 | 2018/08/26 11:30 | Bronka, Adam v Matuszewski, Piotr | 1-6,7-5,6-3 |
| ITF Poland F6 | 2018/08/09 12:15 | Matuszewski, Piotr v Vladyslav Orlov | 2-6,6-4,3-6 |
| ITF Poland F6 | 2018/08/07 08:00 | Matuszewski, Piotr v Gajewski, Kamil | 6-3,4-6,6-4 |
| ITF Latvia F1 | 2018/07/30 07:10 | Matuszewski, Piotr v Faivre, Pierre | 2-6,2-6 |
| ITF Poland F4 | 2018/05/24 09:30 | Salman, Omar v Matuszewski, Piotr | 6-3,6-1 |
| ITF Poland F3 | 2018/05/16 08:00 | Marek, Wojciech v Matuszewski, Piotr | 6-2,4-6,6-1 |
| ITF Germany F9 | 2017/07/30 08:00 | Van Terheijden, Tim v Kenzlers, Julian | 6-0,6-1 |