| ITF Germany F5 | 2018/06/25 13:00 | Sorgi, Joao Pedro v Hoeveler, Leon | 6-1,6-0 |
| ITF Germany F5 | 2018/06/25 08:00 | Endrizzi, Michelangelo v Hoeveler, Leon | 4-6,3-6 |
| ITF Germany F5 | 2018/06/24 10:00 | Cuc, Danut v Hoeveler, Leon | 3-6,2-6 |
| ITF Germany F4 | 2018/06/19 14:35 | Guenther, Valentin v Hoeveler, Leon | 6-3,6-2 |
| ITF Germany F4 | 2018/06/18 11:00 | Hoeveler, Leon v Robert Strombachs | 1-6,2-6 |
| ITF Czech Republic F2 Qual | 2018/05/21 08:00 | Hoeveler, Leon v Kody Pearson | 6-3,6-7,3-6 |
| ITF Czech Republic F2 Qual | 2018/05/20 09:00 | Hoeveler, Leon v Podlesak, Marek | 6-1,6-1 |
| ITF Italy F8 Qual | 2018/04/15 12:00 | Wilson Leite v Hoeveler, Leon | 6-3,7-6 |
| ITF Spain F3 | 2018/01/27 14:00 | Minin, Matvey v Heger, Tim | 7-5,6-0 |
| ITF Germany F2 Qual | 2018/01/22 12:00 | Vadym Ursu v Heger, Tim | 6-4,6-1 |
| ITF Germany F2 Qual | 2018/01/21 13:00 | Heger, Tim v Chang, Jonathan | 7-6,6-4 |
| ITF Germany F2 Qual | 2018/01/21 08:30 | Heger, Tim v Boulais, Justin | 6-7,7-5,6-1 |
| ITF Germany F1 | 2018/01/07 11:30 | Heger, Tim v Kai Lemstra | 4-6,4-6 |
| ITF Germany F1 | 2018/01/07 08:00 | Erwin Troebinger v Heger, Tim | 3-6,4-6 |
| ITF Germany F12 | 2017/08/22 09:20 | Walder, Jordi v Heger, Tim | 6-3,6-4 |
| ITF Germany F11 | 2017/08/15 10:30 | Heger, Tim v Peter Heller | 1-6,4-6 |