Round: 62 Ground: Clay
| ITF Czech Republic F1 Qual | 2017/05/14 09:00 | Krstev, Ondrej v Glvac, Andrej | 5-7,6-4,6-4 |
| ITF Czech Republic F1 Qual | 2017/05/13 09:00 | Krstev, Ondrej v Suc, Dominik | 6-4,6-3 |
| ITF Hungary F1 | 2017/05/09 10:40 | Krstev, Ondrej v Nema, Patrik | 4-6,5-7 |
| ITF Hungary F1 | 2017/05/08 08:00 | Krstev, Ondrej v Balla, Peter | 6-1,6-2 |
| ITF Greece F5 | 2017/04/04 06:30 | Krstev, Ondrej v Andrea Vavassori | 4-6,4-6 |
| ITF Greece F4 | 2017/03/27 06:30 | Krstev, Ondrej v Ben Jones | 3-6,5-7 |
| ITF Greece F4 | 2017/03/26 10:00 | Krstev, Ondrej v Caripi, Vasilios | 6-1,6-3 |
| ITF Greece F3 | 2017/03/18 09:30 | Roberto, Riccardo v Krstev, Ondrej | 6-3,6-2 |
| ITF Czech Republic F1 Qual | 2017/05/14 09:00 | Paroulek, Tadeas v Erler, Alexander | 6-4,6-3 |
| ITF Czech Republic F1 Qual | 2017/05/13 10:30 | Paroulek, Tadeas v Barton, Dominik | 6-1,6-0 |
| ITF Hungary F1 | 2017/05/08 08:00 | Lukas Klein v Paroulek, Tadeas | 6-3,6-3 |
| ITF Hungary F1 | 2017/05/06 08:00 | Paroulek, Tadeas v Porumb, Ciprian | 6-2,6-0 |
| Challenger Ostrava Qual | 2017/04/30 09:30 | Paroulek, Tadeas v Brunner, Pascal | 5-7,1-6 |
| Challenger Ostrava Qual | 2017/04/29 13:45 | Cornea, Vlad Victor v Paroulek, Tadeas | 4-6,4-6 |
| ITF Turkey F11 | 2017/03/18 10:00 | Santiago Rodriguez Taverna v Paroulek, Tadeas | 7-5,6-7,6-2 |
| Turkey F10, Singles Qualifying | 2017/03/11 09:00 | Paroulek, Tadeas v Felipe Meligeni Rodrigues Alves | 6-7,4-6 |