Round: 62 Ground: Clay
| ITF Czech Republic F6 Qual | 2018/07/07 12:30 | Oleksii Krutykh v Hamish Stewart | 6-1,6-1 |
| ITF USA F36 | 2017/11/05 17:00 | Hamish Stewart v Paul Jubb | 7-5,3-6,2-6 |
| ITF USA F36 | 2017/11/03 17:30 | Daniel Paty v Hamish Stewart | 1-6,4-6 |
| ITF Germany F7 | 2018/07/10 11:35 | Alexis Klegou v Kai Lemstra | 6-7,6-4,6-3 |
| ITF Germany F7 | 2018/07/09 11:00 | Kai Lemstra v Hendrik Jebens | 4-6,6-1,4-6 |
| 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 |