Round: 44 Ground: Clay
| ITF Czech Republic F1 Qual | 2017/05/14 10:30 | Juraj Masar v Horst Rieder | 3-6,6-4,7-6 |
| ITF Italy F7 Qual | 2017/04/01 07:30 | Bogdan Ionut Apostol v Horst Rieder | 6-3,6-1 |
| ITF Italy F6 Qual | 2017/03/26 08:45 | Alejandro Artunedo v Horst Rieder | 7-5,6-3 |
| ITF Tunisia F8 | 2017/02/25 14:00 | Horst Rieder v Filippo Leonardi | 1-6,1-6 |
| ITF Tunisia F7 | 2017/02/19 08:00 | Horst Rieder v Benjamin Dhoe | 6-3,2-6,2-6 |
| ITF Tunisia F7 | 2017/02/18 08:00 | Horst Rieder v Giuseppe Sicolo | 6-4,6-1 |
| ITF Tunisia F6 | 2017/02/12 12:30 | Horst Rieder v Martin Blasko | 3-6,5-7 |
| ITF Tunisia F1 | 2017/01/12 11:10 | Horst Rieder v Fabrizio Ornago | 1-6,1-6 |
| ITF Italy F18 Qual | 2016/06/25 10:00 | Jacopo Stefanini v Michele D'Amico | 6-1,6-4 |