Stadium: Court 2 Round: 26 Ground: Clay
| ITF Poland F6 | 2018/08/07 10:35 | Galus, Piotr v Zielinski, Jan | 3-6,5-7 |
| ITF Poland F6 Qual | 2018/08/06 08:00 | Steinberger, Max v Zielinski, Jan | 4-6,0-6 |
| ITF Poland F6 Qual | 2018/08/05 12:30 | Zielinski, Jan v Tadyszak, Norbert | 6-0,6-0 |
| ITF Poland F6 Qual | 2018/08/04 08:00 | Juliusz Bienkiewicz v Zielinski, Jan | 3-6,3-6 |
| Challenger Sopot Qual | 2018/07/30 15:15 | Dimitar Kuzmanov v Zielinski, Jan | 6-0,6-1 |
| Challenger Sopot Qual | 2018/07/30 09:00 | Zielinski, Jan v Rodriguez, Cristian | 7-5,6-3 |
| Challenger Sopot Qual | 2018/07/28 12:05 | Wojcik, Yann v Zielinski, Jan | 2-6,6-2,3-6 |
| ITF Poland F3 Qual | 2017/06/25 08:00 | Gennaro, Dante v Zielinski, Jan | 6-3,6-1 |
| ITF Poland F6 | 2018/08/07 15:00 | Wojnar, Bartosz v Dischinger, Eduardo | 3-6,3-6 |
| ITF Finland F1 | 2018/08/02 11:00 | Dischinger, Eduardo v Ivanov, Vladimir | 2-6,6-3,2-6 |
| ITF Finland F1 | 2018/08/01 08:00 | Dischinger, Eduardo v Patrick Kaukovalta | 3-6,6-2,6-3 |
| ITF Finland F1 | 2018/07/30 08:20 | Dischinger, Eduardo v Taylor, Sam | 5-7,6-2,6-3 |
| Challenger Tampere | 2018/07/21 10:55 | Antoine Bellier v Dischinger, Eduardo | 6-7,6-3,6-3 |
| ITF Estonia F1 | 2018/07/18 11:30 | Dischinger, Eduardo v Podzus, Martins | 4-6,6-7 |
| ITF Estonia F1 | 2018/07/17 08:50 | Guido Ivan Justo v Dischinger, Eduardo | 6-1,6-7,1-6 |
| ITF Austria F2 | 2018/07/13 12:40 | Haerteis, Johannes v Dischinger, Eduardo | 6-1,1-6,6-3 |