Stadium: Court 2 Round: 44 Ground: Carpet indoor
| ITF Netherlands F6 | 2018/08/30 12:15 | Tom Kocevar-Desman v Kevin Kaczynski | 6-4,3-6,6-0 |
| ITF Netherlands F6 | 2018/08/28 08:30 | Kazuki Nishiwaki v Kevin Kaczynski | 2-6,3-6 |
| ITF Netherlands F5 | 2018/08/22 10:00 | Nik Razborsek v Kevin Kaczynski | 6-4,6-2 |
| ITF Netherlands F5 | 2018/08/21 12:20 | Kevin Kaczynski v Stephan Gerritsen | 6-4,1-6,6-2 |
| ITF Netherlands F5 | 2018/08/19 10:00 | Kevin Kaczynski v Harris Trismen | 6-0,6-1 |
| ITF Netherlands F5 | 2018/08/18 08:00 | Kevin Kaczynski v Roman Ruenger | 6-1,6-0 |
| ITF Germany F11 | 2018/08/09 09:00 | Kevin Kaczynski v Benjamin Hassan | 2-6,1-6 |
| ITF Germany F11 | 2018/08/08 10:00 | Tejas Chaukulkar v Kevin Kaczynski | 3-6,6-4,1-6 |
| ITF Germany F15 | 2018/10/08 08:00 | Piotr Matuszewski v Julian kenzlers | 1-6,3-6 |
| ITF Germany F14 | 2018/10/01 10:00 | Piotr Matuszewski v Laurin Aerne | 3-6,2-6 |
| ITF Germany F14 | 2018/09/30 11:30 | Piotr Matuszewski v Bastien Presuhn | 1-6,7-6,6-3 |
| ITF Ukraine F4 | 2018/08/26 11:30 | Adam Bronka v Piotr Matuszewski | 1-6,7-5,6-3 |
| 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 |