Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Scheveningen | 2018/07/16 16:30 | Tobias Kamke v Jeremy Jahn | 6-4,3-6,7-6 |
| Challenger Scheveningen Qual | 2018/07/16 11:30 | Jeremy Jahn v Kimmer Coppejans | 6-7,5-7 |
| Challenger Scheveningen Qual | 2018/07/15 11:55 | Jeremy Jahn v Niels Lootsma | 7-6,4-6,7-5 |
| Challenger Scheveningen Qual | 2018/07/14 15:15 | Jeremy Jahn v Dan Added | 6-1,6-2 |
| Challenger Poznan | 2018/06/07 16:45 | Alexey Vatutin v Jeremy Jahn | 7-6,4-6,6-3 |
| Challenger Poznan | 2018/06/06 14:00 | Jeremy Jahn v Kamil Majchrzak | 6-3,2-6,6-0 |
| Challenger Poznan Qual | 2018/06/04 13:30 | Jeremy Jahn v Guillermo Olaso | 6-7,6-1,6-2 |
| Challenger Poznan Qual | 2018/06/04 08:00 | Bernabe Zapata Miralles v Jeremy Jahn | 4-6,6-3,0-6 |
| ITF Poland F7 | 2018/08/13 09:20 | Vitalii Shcherba v Daniil Tsebrenko | 6-1,6-1 |
| ITF Poland F7 | 2018/08/12 11:00 | Vitalii Shcherba v Lorenzo Di Maro | 6-1,6-1 |
| ITF Slovakia F3 | 2018/08/05 08:00 | Vitalii Shcherba v Jiri Jenicek | 2-6,6-1,3-6 |
| Challenger Poprad Tatry Qual | 2018/06/16 12:10 | Frank Dancevic v Vitalii Shcherba | 6-0,6-1 |
| ITF Ukraine F3 | 2018/05/21 07:00 | Giorgio Ricca v Vitalii Shcherba | 6-3,6-1 |
| ITF Ukraine F2 | 2018/05/14 07:00 | Vitalii Shcherba v Oleg Dolgosheyev | 3-6,3-6 |
| ITF Ukraine F2 | 2018/05/13 07:00 | Vitalii Shcherba v Egor Matvievici | 6-4,6-1 |
| ITF Ukraine F1 | 2018/05/08 13:10 | Vitalii Shcherba v Dejan Katic | 7-5,3-6,6-7 |