Round: 44 Ground: Clay
| ITF Hungary F1 | 2016/04/21 08:00 | Frank Dancevic v Johannes Haerteis | 7-5,6-4 |
| ITF Hungary F1 | 2016/04/19 12:00 | Maciej Rajski v Johannes Haerteis | 1-6,4-6 |
| ITF Italy F3 | 2016/03/17 14:00 | Johannes Haerteis v Alessandro Bega | 2-6,4-6 |
| ITF Italy F3 | 2016/03/16 11:00 | Filip Veger v Johannes Haerteis | 1-6,4-6 |
| ITF Italy F3 | 2016/03/14 18:30 | Filippo Schena v Johannes Haerteis | 3-6,1-6 |
| ITF Italy F2 | 2016/03/09 12:35 | Jan Hernych v Johannes Haerteis | 6-3,6-2 |
| ITF Italy F2 | 2016/03/07 13:20 | Enrico Dalla Valle v Johannes Haerteis | 3-6,3-6 |
| ITF Italy F1 | 2016/03/03 14:45 | Johannes Haerteis v Gregoire Jacq | 2-6,3-6 |
| ITF Hungary F2 Qual | 2016/04/23 10:00 | Michal Skonieczny v Ondrej Krstev | 1-6,2-6 |
| ITF Hungary F1 Qual | 2016/04/19 08:00 | Nicolae Frunza v Ondrej Krstev | 6-2,7-5 |
| ITF Germany F16 | 2015/10/15 14:15 | Mats Moraing v Ondrej Krstev | 6-1,6-0 |
| ITF Germany F16 | 2015/10/14 10:20 | Ondrej Krstev v Pirmin Haenle | 6-4,7-5 |
| ITF Germany F16 | 2015/10/12 11:00 | Ondrej Krstev v Gil Uwe Grund | 2-6,6-4,6-3 |
| ITF Germany F15 | 2015/10/07 10:30 | Ondrej Krstev v Teri Groll | 6-0,4-6,2-6 |
| ITF Germany F15 | 2015/10/05 10:00 | Lukas Ruepke v Ondrej Krstev | 7-5,2-6,5-7 |
| ITF Germany F15 | 2015/10/04 08:00 | Luca Keist v Ondrej Krstev | 4-6,4-6 |