Stadium: Court D Round: 54
| Challenger Portoroz Qual | 2018/08/05 13:00 | Heyman, Christopher v Cacic, Nikola | 6-1,5-7,6-4 |
| Segovia, Spain | 2018/07/31 15:45 | Heyman, Christopher v Monteiro, Joao | 4-6,4-6 |
| Germany F8, Singles | 2018/07/20 11:00 | Pena Lopez, Manuel v Heyman, Christopher | 6-4,6-2 |
| Germany F8, Singles | 2018/07/19 09:30 | Sieber, Marc v Heyman, Christopher | 1-6,5-7 |
| Germany F8, Singles | 2018/07/18 15:10 | Daljev, Pavle v Heyman, Christopher | 3-6,4-6 |
| ITF Belgium F3 | 2018/07/06 15:00 | Heyman, Christopher v Michael Geerts | 6-4,6-7,3-6 |
| ITF Belgium F3 | 2018/07/05 15:35 | Heyman, Christopher v Nikita Mashtakov | 6-3,6-2 |
| ITF Belgium F3 | 2018/07/04 10:10 | Heyman, Christopher v Martinez Sarrasague, Felipe | 6-2,6-4 |
| Challenger Portoroz Qual | 2018/08/05 14:45 | Arh, Anze v Eriksson, Markus | 7-5,4-6,4-6 |
| Challenger Tampere Qual | 2018/07/23 10:00 | Ivan Gakhov v Eriksson, Markus | 6-2,6-7,6-3 |
| Challenger Tampere Qual | 2018/07/22 11:45 | Nik Razborsek v Eriksson, Markus | 3-6,4-6 |
| Challenger Tampere | 2018/07/21 13:05 | Rochette, Laurent v Eriksson, Markus | 3-6,3-6 |
| ATP Bastad Qual | 2018/07/15 10:15 | Corentin Moutet v Eriksson, Markus | 0-6,6-4,6-2 |
| Challenger Bastad | 2018/07/10 12:45 | Calvin Hemery v Eriksson, Markus | 6-4,6-1 |
| ITF Germany F5 | 2018/06/29 13:00 | Eriksson, Markus v Bangoura, Sekou | 3-6,2-6 |
| ITF Germany F5 | 2018/06/28 14:15 | Eriksson, Markus v Willems, Johann | 6-3,6-0 |