Round: 25 Ground: Clay
| ITF Italy F16 Qual | 2017/06/05 10:05 | Peter Heller v Adrian Obert | 6-2,7-5 |
| ITF Italy F16 Qual | 2017/06/04 16:10 | Riccardo Balzerani v Peter Heller | 3-6,3-6 |
| ITF Italy F16 Qual | 2017/06/03 08:30 | Peter Heller v Marek Flinner | 6-3,6-1 |
| ITF Czech Republic F1 | 2017/05/18 11:15 | Juraj Masar v Peter Heller | 6-1,6-1 |
| ITF Czech Republic F1 | 2017/05/17 10:25 | Peter Heller v Jan Mertl | 2-6,7-6,7-6 |
| ITF Hungary F1 | 2017/05/09 09:30 | Peter Heller v Robin Kern | 6-7,3-6 |
| ITF Turkey F11 | 2017/03/19 07:00 | Cengiz Aksu v Peter Heller | 4-6,0-6 |
| ITF Turkey F11 | 2017/03/18 07:00 | Dmitry Mnushkin v Peter Heller | 0-6,0-6 |
| ITF Czech Republic F3 | 2017/05/30 08:00 | Dennis Novak v Patrick Mayer | 6-1,6-3 |
| ITF Czech Republic F3 Qual | 2017/05/29 08:30 | Patrick Mayer v Michal Marko | 6-2,6-3 |
| ITF Czech Republic F3 Qual | 2017/05/28 08:30 | Mick Veldheer v Patrick Mayer | 3-6,6-7 |
| ITF Czech Republic F2 | 2017/05/24 11:30 | Patrick Mayer v Alexandar Lazarov | 2-6,2-6 |
| ITF Czech Republic F2 | 2017/05/22 11:05 | Dominik Recek v Patrick Mayer | 6-0,6-7,3-6 |
| ITF Czech Republic F2 | 2017/05/21 08:00 | Frantisek Polanka v Patrick Mayer | 3-6,3-6 |
| ITF Spain F14 | 2017/05/13 07:00 | Rafael Matos v Patrick Mayer | 6-0,6-1 |
| ITF Spain F11 | 2017/04/23 13:00 | Maciej Rajski v Patrick Mayer | 6-2,6-3 |