Stadium: Center Court Round: 54 Ground: Carpet indoor
| ITF Poland F6 | 2018/08/12 10:00 | Maciej Rajski v Szymon Walkow | 6-4,5-7,1-6 |
| ITF Poland F6 | 2018/08/11 12:00 | Szymon Walkow v Matias Franco Descotte | 6-7,6-3,6-4 |
| ITF Poland F6 | 2018/08/10 12:45 | Tyler Mercier v Szymon Walkow | 4-6,3-6 |
| ITF Poland F6 | 2018/08/09 10:00 | Szymon Walkow v Nikita Mashtakov | 2-6,6-3,6-2 |
| ITF Poland F6 | 2018/08/07 08:00 | Szymon Walkow v Piotr Grynkowski | 6-3,6-2 |
| Challenger Sopot Qual | 2018/07/29 12:20 | Szymon Walkow v Vladyslav Manafov | 3-6,2-6 |
| Challenger Sopot Qual | 2018/07/28 09:00 | Franco Agamenone v Szymon Walkow | 3-6,6-2,2-6 |
| ITF Czech Republic F3 | 2018/05/29 12:15 | Szymon Walkow v Mateusz Terczynski | 4-6,4-6 |
| ITF Romania F13 | 2018/09/11 06:30 | Johannes Haerteis v Gabi Adrian Boitan | 6-3,6-2 |
| ITF Germany F13 | 2018/08/23 08:00 | Peter Heller v Johannes Haerteis | 6-1,6-0 |
| ITF Germany F13 | 2018/08/21 15:00 | Florian Fallert v Johannes Haerteis | 2-6,3-6 |
| Challenger Pullach Qual | 2018/08/04 15:55 | Alexandre Muller v Johannes Haerteis | 7-6,7-5 |
| Challenger Sopot Qual | 2018/07/29 09:00 | Roberto Marcora v Johannes Haerteis | 6-4,7-5 |
| Challenger Sopot Qual | 2018/07/28 10:40 | Johannes Haerteis v Kamil Gajewski | 6-3,6-2 |
| ITF Austria F3 | 2018/07/19 15:00 | Johannes Haerteis v Nerman Fatic | 2-6,6-7 |
| ITF Austria F3 | 2018/07/18 09:30 | Mariano Kestelboim v Johannes Haerteis | 2-6,7-5,2-6 |