Stadium: Court 5 Round: 26 Ground: Clay
| ITF Poland F7 | 2018/08/13 12:25 | Christopher Heyman v Michal Dembek | 6-2,7-5 |
| Challenger Portoroz | 2018/08/07 20:05 | Sergiy Stakhovsky v Christopher Heyman | 4-6,6-3,6-3 |
| Challenger Portoroz Qual | 2018/08/06 10:10 | Christopher Heyman v Markus Eriksson | 3-6,3-6 |
| Challenger Portoroz Qual | 2018/08/05 13:00 | Christopher Heyman v Nikola Cacic | 6-1,5-7,6-4 |
| Challenger Segovia | 2018/07/31 15:45 | Christopher Heyman v Joao Monteiro | 4-6,4-6 |
| ITF Germany F8 | 2018/07/20 11:00 | Manuel Pena Lopez v Christopher Heyman | 6-4,6-2 |
| ITF Germany F8 | 2018/07/19 09:30 | Marc Sieber v Christopher Heyman | 1-6,5-7 |
| ITF Germany F8 | 2018/07/18 15:10 | Pavle Daljev v Christopher Heyman | 3-6,4-6 |
| ITF Poland F7 | 2018/08/14 14:35 | Karol Drzewiecki v Michal Mikula | 4-6,5-7 |
| ITF Poland F7 | 2018/08/12 08:00 | Michal Mikula v Max Steinberger | 6-4,6-2 |
| ITF Poland F7 | 2018/08/11 08:00 | Bartlomiej Andrzejczak v Michal Mikula | 4-6,1-6 |
| ITF Poland F6 | 2018/08/07 09:50 | Pawel Juszczak v Michal Mikula | 6-2,6-1 |
| ITF Poland F4 | 2018/05/21 09:00 | Marek Semjan v Michal Mikula | 7-5,6-3 |
| ITF Poland F3 | 2018/05/15 07:30 | Marvin Netuschil v Michal Mikula | 6-1,7-5 |
| ITF Poland F3 Qual | 2018/05/14 07:30 | Michal Mikula v Ramy Labna | 7-6,6-3 |
| ITF Poland F3 | 2018/05/13 07:00 | Michal Mikula v Ilari Vesanen | 6-1,6-1 |