Stadion: Center Court Oberhaching Round: 1
| DTB German Pro Series | 2020/06/12 11:05 | Peter Heller v Kai Wehnelt | 6-4,6-4 |
| DTB German Pro Series | 2020/06/11 08:00 | Benito Sanchez Martinez v Peter Heller | 4-6,2-6 |
| DTB German Pro Series | 2020/06/10 12:20 | Jan-Lennard Struff v Peter Heller | 6-3,6-4 |
| DTB German Pro Series | 2020/06/09 08:00 | Mats Rosenkranz v Peter Heller | 6-1,6-0 |
| ITF - M15 - Antalya | 2020/03/12 07:30 | Tristan Boyer v Peter Heller | 1-6,1-6 |
| ITF - M15 - Antalya | 2020/03/11 10:05 | Imanol L Morillo v Peter Heller | 5-7,3-6 |
| ITF - M15 - Antalya | 2020/03/08 07:00 | Patrick Kypson v Peter Heller | 6-4,6-2 |
| ITF - M15 - Antalya | 2020/03/07 07:00 | Peter Heller v Peter Torebko | 6-3,3-6,6-1 |
| DTB German Pro Series | 2020/06/13 08:00 | Philip Florig v Louis Wessels | 2-6,2-6 |
| DTB German Pro Series | 2020/06/12 08:30 | Peter Torebko v Philip Florig | 6-1,6-1 |
| DTB German Pro Series | 2020/06/11 13:00 | Yannick Maden v Philip Florig | 6-3,6-1 |