Stadium: Center Court Round: 44 Ground: Clay
| 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 Egypt F14 | 2018/04/19 08:00 | Valentin Guenther v Pablo Vivero Gonzalez | 2-6,6-7 |
| ITF Egypt F14 | 2018/04/18 08:00 | Joy Vigani v Valentin Guenther | 3-6,4-6 |
| ITF Netherlands F7 | 2017/08/29 11:15 | Jelle Sels v Bobbie De Goeijen | 6-1,6-2 |
| ITF Netherlands F7 | 2017/08/27 13:00 | Bobbie De Goeijen v Nick Broekhof | 4-6,4-6 |
| ITF Netherlands F2 | 2017/06/27 14:00 | Bobbie De Goeijen v Jesse Timmermans | 3-6,1-6 |
| ITF Netherlands F2 Qual | 2017/06/26 09:00 | Bobbie De Goeijen v Matthew Dellavedova | 6-7,1-6 |
| ITF Netherlands F2 Qual | 2017/06/25 09:00 | Bobbie De Goeijen v Ilco Van Buuren | 6-4,6-2 |
| ITF Netherlands F1 Qual | 2017/06/19 08:00 | Bobbie De Goeijen v Sidane Pontjodikromo | 3-6,1-6 |
| ITF Netherlands F1 Qual | 2017/06/18 08:00 | Bobbie De Goeijen v Marcel Marlon Sudzum | 6-3,7-6 |
| ITF Kuwait F3 | 2016/11/15 23:00 | David Perez Sanz v Bobbie De Goeijen | 6-0,6-1 |