Stadium: Center Court Oberhaching Round: 1
| Challenger Koblenz | 2020/02/17 13:00 | Louis Wessels v Peter Heller | 6-3,6-2 |
| ITF M15 Palmanova | 2020/02/15 10:45 | Peter Heller v Nikolas Sanchez Izquierdo | 2-6,0-6 |
| ITF M15 Palmanova | 2020/02/13 11:30 | Alexander Zhurbin v Peter Heller | 4-6,1-6 |
| ITF M15 Palmanova | 2020/02/12 12:50 | Max Alcala Gurri v Peter Heller | 2-6,2-6 |
| ITF M25 Nussloch | 2020/01/21 12:05 | Jonas Forejtek v Peter Heller | 6-1,6-3 |
| ITF M15 Manacor | 2020/01/15 10:30 | Joao Monteiro v Peter Heller | 7-5,6-4 |
| ITF M25 Naples | 2019/11/22 18:30 | Juan Pablo Ficovich v Peter Heller | 6-3,6-3 |
| ITF M25 Naples | 2019/11/21 14:00 | Bastian Malla v Peter Heller | 3-6,6-4,1-6 |