| ITF Germany F6 | 2018/07/04 10:00 | Heger, Tim v Paul Woerner | 3-6,6-7 |
| ITF Germany F6 | 2018/07/03 08:30 | Heger, Tim v Hendrik Jebens | 7-5,6-3 |
| ITF Germany F6 | 2018/07/02 09:00 | Hoeveler, Leon v Heger, Tim | 2-6,2-6 |
| 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 F8 Qual | 2018/07/15 10:30 | Hamish Stewart v Kai Lemstra | 6-3,6-4 |
| Czech Republic F6, Singles Qualifying | 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 |