Stadium: SEG 2 Round: 44 Ground: Carpet indoor
| 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 |
| ITF Germany F3 | 2017/01/24 10:00 | Alexey Vatutin v Tim Heger | 6-3,6-1 |
| ITF Germany F17 | 2016/10/31 09:00 | Mick Veldheer v Tim Heger | 6-0,6-3 |
| ITF Germany F17 | 2016/10/30 11:00 | Niklas Albuszies v Tim Heger | 6-7,6-2,5-7 |
| ITF Germany F3 Qual | 2016/01/24 11:00 | Tim Heger v Gil Uwe Grund | 4-6,6-7 |
| ITF Germany F7 | 2015/07/13 08:00 | David Chaplefeh Forchap v Tim Heger | 7-5,6-3 |
| Challenger Eckental Qual | 2017/10/28 13:30 | Benjamin Hassan v Kai Lemstra | 7-5,7-6 |
| ITF Germany F16 | 2017/10/22 08:00 | Kai Lemstra v Tim Seibert | 3-6,1-6 |
| Challenger Ismaning Qual | 2017/10/15 12:20 | Kai Lemstra v Farrukh Dustov | 3-6,6-3,3-6 |
| Challenger Ismaning Qual | 2017/10/14 15:05 | Sven Lemstra v Kai Lemstra | 2-6,0-6 |
| ITF Germany F14 | 2017/10/12 10:00 | Sami Reinwein v Kai Lemstra | 3-6,6-2,6-4 |
| ITF Germany F14 | 2017/10/11 10:00 | Kai Lemstra v Danylo Kalenichenko | 6-4,6-3 |
| ITF Germany F12 | 2017/08/22 08:00 | Kai Lemstra v Robin Lang | 4-6,6-0,1-6 |
| ITF Germany F12 | 2017/08/21 08:00 | Kai Lemstra v Robin Peham | 6-2,4-6,7-6 |