| ITF Greece F5 | 2017/04/04 06:30 | Ondrej Krstev v Andrea Vavassori | 4-6,4-6 |
| ITF Greece F4 | 2017/03/27 06:30 | Ondrej Krstev v Ben Jones | 3-6,5-7 |
| ITF Greece F4 | 2017/03/26 10:00 | Ondrej Krstev v Vasilios Caripi | 6-1,6-3 |
| ITF Greece F3 | 2017/03/18 09:30 | Riccardo Roberto v Ondrej Krstev | 6-3,6-2 |
| ITF Greece F2 Qual | 2017/03/11 10:00 | Mark Oljaca v Ondrej Krstev | 6-4,6-4 |
| ITF Turkey F6 | 2017/02/12 07:00 | Mert Naci Turker v Ondrej Krstev | 6-2,6-1 |
| ITF Turkey F6 | 2017/02/11 10:00 | Alp Sentay v Ondrej Krstev | 0-6,7-6,2-6 |
| ITF Turkey F5 | 2017/02/08 07:49 | Ondrej Krstev v Pavel Krainik | 3-6,4-6 |
| ITF Hungary F1 | 2017/05/07 08:00 | Arsenije Zlatanovic v Peter Balla | 3-6,2-6 |
| ITF Tunisia F12 | 2017/03/26 08:00 | Lorenzo Corioni v Peter Balla | 0-6,7-6,6-1 |
| ITF Tunisia F11 Qual | 2017/03/19 10:30 | Shahin Khaledan v Peter Balla | 6-2,6-2 |
| Challenger Budapest Qual | 2017/02/04 17:25 | Andrea Arnaboldi v Peter Balla | 6-3,6-3 |
| ITF Turkey F43 | 2016/10/24 08:00 | Peter Balla v Gokberk Ergeneman | 5-7,2-6 |
| ITF Turkey F42 | 2016/10/16 07:30 | Cengiz Aksu v Peter Balla | 6-0,6-4 |
| ITF Turkey F42 | 2016/10/15 07:30 | Peter Balla v Savva Polukhin | 6-4,6-7,6-4 |
| ITF Hungary F8 | 2016/10/01 10:00 | Peter Balla v Matthew Kandath | 4-6,6-3,0-6 |