| ITF Germany F3 | 2017/01/24 10:00 | Alexey Vatutin v Heger, Tim | 6-3,6-1 |
| ITF Germany F17 | 2016/10/31 09:00 | Veldheer, Mick v Heger, Tim | 6-0,6-3 |
| ITF Germany F17 | 2016/10/30 11:00 | Albuszies, Niklas v Heger, Tim | 6-7,6-2,5-7 |
| ITF Germany F3 Qual | 2016/01/24 11:00 | Heger, Tim v Grund, Gil Uwe | 4-6,6-7 |
| ITF Germany F7 | 2015/07/13 08:00 | Forchap, David Chaplefeh v Heger, Tim | 7-5,6-3 |
| ITF Germany F4 | 2015/01/25 08:00 | Heger, Tim v Peters, Flemming | 4-6,2-6 |
| ITF Austria F4 | 2017/07/25 09:10 | Peter Heller v Charles Broom | 3-6,3-6 |
| ITF Austria F3 | 2017/07/19 11:10 | Horansky, Filip v Peter Heller | 2-6,7-5,6-1 |
| ITF Austria F3 | 2017/07/18 10:20 | Peter Heller v Kai Lemstra | 4-6,6-3,6-3 |
| ITF Czech Republic F4 | 2017/07/05 08:00 | Dennis Novak v Peter Heller | 6-3,6-1 |
| ITF Czech Republic F4 | 2017/07/04 10:00 | Peter Heller v Vitaliy Sachko | 6-2,6-3 |
| ITF Germany F5 | 2017/06/29 09:00 | Peter Heller v Torebko, Peter | 4-6,2-6 |
| ITF Germany F5 | 2017/06/27 12:40 | Guenther, Valentin v Peter Heller | 1-6,4-6 |
| ITF Poland F1 | 2017/06/16 14:55 | Kamil Majchrzak v Peter Heller | 6-3,7-6 |