Stadium: Court 4 Round: 27 Ground: Hardcourt indoor
| ITF Sweden F4 | 2018/09/26 12:40 | Christopher Heyman v Benjamin Dhoe | 6-1,6-4 |
| ITF Sweden F4 | 2018/09/25 13:15 | Christopher Heyman v Filip Bergevi | 6-4,6-3 |
| ITF France F18 | 2018/09/18 15:00 | Christopher Heyman v Antoine Cornut-Chauvinc | 4-6,6-3,1-6 |
| ITF France F17 | 2018/09/15 12:00 | Christopher Heyman v Gregoire Jacq | 4-6,7-5,2-6 |
| ITF France F17 | 2018/09/14 15:25 | Christopher Heyman v Quentin Robert | 6-3,6-4 |
| ITF France F17 | 2018/09/13 12:15 | Christopher Heyman v Hugo Voljacques | 6-4,6-7,6-1 |
| ITF France F17 | 2018/09/12 14:00 | Christopher Heyman v Jonathan Gray | 3-6,6-4,6-2 |
| ITF Poland F7 | 2018/08/17 09:00 | Christopher Heyman v Thiago Seyboth Wild | 6-4,0-6,6-7 |
| ITF Sweden F4 | 2018/09/24 11:00 | Johannes Haerteis v Fred Simonsson | 6-3,6-2 |
| Challenger - Sibiu | 2018/09/16 10:35 | Johannes Haerteis v Julian Lenz | 4-6,4-6 |
| Challenger - Sibiu | 2018/09/15 07:30 | Vit Kopriva v Johannes Haerteis | 4-6,1-6 |
| ITF Romania F13 | 2018/09/13 06:30 | Johannes Haerteis v Gabriel Alejandro Hidalgo | 4-6,5-7 |
| 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 |