| ITF Greece F3 | 2018/03/10 10:00 | Cristopher Kohl v Leon Hoeveler | 6-2,6-3 |
| ITF Greece F2 | 2018/03/03 07:30 | Luca Giacomini v Leon Hoeveler | 6-1,6-1 |
| ITF Italy F1 Qual | 2018/02/24 08:30 | Raul Brancaccio v Leon Hoeveler | 6-2,6-3 |
| ITF Switzerland F2 Qual | 2018/02/10 08:00 | Bastien Kolly v Leon Hoeveler | 6-4,6-1 |
| ITF Switzerland F1 Qual | 2018/02/04 09:00 | Giordan Kunz v Leon Hoeveler | 6-3,7-6 |
| ITF Germany F3 Qual | 2018/01/29 16:40 | Christoph Negritu v Leon Hoeveler | 6-3,6-0 |
| ITF Germany F2 Qual | 2018/01/22 15:55 | Kevin Krawietz v Leon Hoeveler | 6-2,6-1 |
| ITF Germany F1 | 2018/01/08 14:00 | Jakob Aichhorn v Leon Hoeveler | 6-3,6-0 |
| ITF Spain F3 | 2018/01/27 14:00 | Matvey Minin v Tim Heger | 7-5,6-0 |
| ITF Germany F2 Qual | 2018/01/22 12:00 | Vadym Ursu v Tim Heger | 6-4,6-1 |
| ITF Germany F2 Qual | 2018/01/21 13:00 | Tim Heger v Jonathan Chang | 7-6,6-4 |
| ITF Germany F2 Qual | 2018/01/21 08:30 | Tim Heger v Justin Boulais | 6-7,7-5,6-1 |
| ITF Germany F1 | 2018/01/07 11:30 | Tim Heger v Kai Lemstra | 4-6,4-6 |
| ITF Germany F1 | 2018/01/07 08:00 | Erwin Troebinger v Tim Heger | 3-6,4-6 |
| ITF Germany F12 | 2017/08/22 09:20 | Jordi Walder v Tim Heger | 6-3,6-4 |
| ITF Germany F11 | 2017/08/15 10:30 | Tim Heger v Peter Heller | 1-6,4-6 |