Stadium: Court 2 Round: 44 Ground: Clay
| ITF Germany F7 | 2018/07/09 08:00 | Kai Lemstra v Tim Handel | 4-6,7-5,6-1 |
| ITF Czech Republic F3 Qual | 2018/05/28 08:00 | Kai Lemstra v Dominik Recek | 2-6,2-6 |
| ITF Czech Republic F2 | 2018/05/22 08:00 | Kai Lemstra v Bart Van Den Berg | 3-6,3-6 |
| ITF Croatia F3 | 2018/03/22 11:30 | Kai Lemstra v Deni Zmak | 6-4,1-6,4-6 |
| ITF Croatia F3 | 2018/03/21 15:05 | Kai Lemstra v Xin Hu | 6-2,6-1 |
| ITF Croatia F3 | 2018/03/20 09:00 | Kai Lemstra v Marcell Bartakovics | 6-0,3-6,6-1 |
| ITF Croatia F3 | 2018/03/19 12:30 | Kai Lemstra v Edoardo Pompei | 6-1,2-6,7-6 |
| ITF Croatia F3 | 2018/03/19 09:00 | Kai Lemstra v Michelangelo Endrizzi | 6-3,6-4 |
| ITF Germany F6 | 2018/07/03 08:30 | Tim Heger v Hendrik Jebens | 7-5,6-3 |
| ITF Germany F6 | 2018/07/02 09:00 | Hendrik Jebens v Raphael Calzi | 6-3,6-1 |
| ITF Germany F4 | 2018/06/16 10:30 | Daniil Klimov v Hendrik Jebens | 6-3,6-1 |
| ITF Germany F3 Qual | 2018/01/28 08:30 | Bart Van Den Berg v Hendrik Jebens | 6-3,7-6 |
| ITF Germany F1 | 2018/01/07 08:00 | Hendrik Jebens v Karlo Cubelic | 6-7,6-7 |
| ITF France F21 | 2017/09/26 12:50 | Antoine Walch v Hendrik Jebens | 6-4,6-2 |
| ITF France F21 Qual | 2017/09/24 08:00 | Hendrik Jebens v Arnaud Graisse | 7-6,6-1 |
| ITF Ireland F1 | 2017/07/18 09:00 | Hendrik Jebens v Joshua Paris | 6-7,1-6 |