Stadium: Court 1 Round: 26 Ground: Carpet indoor
| ITF Kuwait F1 | 2018/11/02 07:00 | Peter Heller v Kai Wehnelt | 4-6,6-2,7-5 |
| ITF Czech Republic F2 | 2018/05/23 12:20 | Kai Wehnelt v Peter Heller | 1-6,3-6 |
| ITF - Nussloch M25 | 2019/01/23 16:10 | Peter Heller v Andrew Watson | 6-3,6-2 |
| Challenger Koblenz | 2019/01/14 14:55 | Gianluca Mager v Peter Heller | 6-4,6-4 |
| ITF Qatar F4 | 2018/12/04 12:00 | Peter Heller v Bernardo Saraiva | 4-6,3-6 |
| ITF Czech Republic F12 | 2018/11/30 10:00 | Peter Heller v Michal Konecny | 6-7,2-6 |
| ITF Czech Republic F12 | 2018/11/29 09:00 | Peter Heller v Joy Vigani | 6-3,6-4 |
| ITF Czech Republic F12 | 2018/11/28 11:35 | Peter Heller v Valentin Guenther | 6-3,6-3 |
| ITF Kuwait F2 | 2018/11/11 07:00 | Peter Heller v Constantin Bittoun Kouzmine | 6-4,6-3 |
| ITF Kuwait F2 | 2018/11/10 07:45 | Peter Heller v Daisuke Sumizawa | 6-3,6-4 |
| ITF - Nussloch M25 | 2019/01/23 10:00 | Kai Wehnelt v Arjun Kadhe | 7-6,7-6 |
| ITF - Nussloch M25 | 2019/01/21 16:10 | Kai Wehnelt v Robin Lang | 2-6,1-6 |
| ITF - Nussloch M25 | 2019/01/21 09:00 | Kai Wehnelt v Niklas Albuszies | 6-1,6-2 |
| ITF Pakistan F3 | 2018/12/22 08:30 | Kai Wehnelt v Rio Noguchi | 6-1,7-5 |
| ITF Pakistan F3 | 2018/12/21 06:00 | Saida'lo Saidkarimov v Kai Wehnelt | 0-6,5-7 |
| ITF Pakistan F3 | 2018/12/20 05:30 | Kai Wehnelt v Alexis Canter | 7-5,7-5 |
| ITF Pakistan F3 | 2018/12/19 05:30 | Kai Wehnelt v Chandril Sood | 6-1,6-2 |
| ITF Pakistan F3 | 2018/12/18 05:30 | Kai Wehnelt v Jackson Varney | 6-4,6-1 |