Stadium: Court 8 Round: 62 Ground: Clay
| ITF Netherlands F2 Qual | 2018/07/01 08:00 | Valentin Guenther v Thorsten Sollie | 7-6,6-7,6-4 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Valentin Guenther v Bobbie De Goeijen | 2-6,3-6 |
| ITF Germany F4 | 2018/06/21 08:30 | Dominik Boehler v Valentin Guenther | 6-4,6-4 |
| ITF Germany F4 | 2018/06/19 14:35 | Valentin Guenther v Leon Hoeveler | 6-3,6-2 |
| ITF Turkey F21 | 2018/05/29 09:10 | Mats Rosenkranz v Valentin Guenther | 6-0,3-6,6-4 |
| ITF Turkey F20 | 2018/05/24 07:30 | Paul Woerner v Valentin Guenther | 6-2,6-3 |
| ITF Turkey F20 | 2018/05/23 07:30 | Louroi Martinez v Valentin Guenther | 2-6,0-6 |
| ITF Turkey F19 | 2018/05/15 08:25 | Koray Kirci v Valentin Guenther | 7-5,6-3 |
| ITF Netherlands F2 Qual | 2018/07/01 08:00 | Nick Broekhof v Tillmann Erdbories | 6-4,3-6,1-6 |
| ITF Germany F4 | 2018/06/19 09:00 | Sekou Bangoura v Tillmann Erdbories | 7-6,6-4 |
| ITF Tunisia F21 | 2018/05/26 10:00 | Jeremy Sonkin v Tillmann Erdbories | 7-5,2-6,6-3 |
| ITF Tunisia F20 | 2018/05/20 09:00 | Tillmann Erdbories v Sacha Modica | 4-6,1-6 |
| ITF Turkey F15 | 2018/04/15 09:30 | Tillmann Erdbories v Tom Kocevar-Desman | 0-6,3-6 |
| ITF Turkey F15 | 2018/04/14 09:30 | Tillmann Erdbories v Vital Flurin Leuch | 7-6,7-5 |
| ITF Turkey F14 | 2018/04/08 07:00 | Andrey Chepelev v Tillmann Erdbories | 6-3,6-4 |
| ITF Turkey F14 | 2018/04/07 11:00 | Alexander Boborykin v Tillmann Erdbories | 6-0,6-7,0-6 |