Round: 25 Ground: Clay
| ITF Poland F1 | 2017/06/13 10:20 | Jonas Eriksson Ziverts v David Poljak | 2-6,6-3,6-4 |
| Challenger Prostejov Qual | 2017/06/04 13:45 | Maxime Janvier v David Poljak | 6-2,6-2 |
| Challenger Prostejov Qual | 2017/06/04 08:00 | David Poljak v Vit Kopriva | 6-7,7-5,6-3 |
| ITF Hungary F3 | 2017/05/25 08:00 | Petr Hajek v David Poljak | 6-1,2-6,6-4 |
| ITF Hungary F3 | 2017/05/24 09:55 | Santiago Alvarez v David Poljak | 4-6,3-6 |
| ITF Czech Republic F1 | 2017/05/18 08:30 | David Poljak v Maciej Rajski | 4-6,6-3,6-7 |
| ITF Czech Republic F1 | 2017/05/17 08:30 | David Poljak v Ondrej Krstev | 6-1,7-5 |
| Challenger Ostrava | 2017/05/02 08:00 | Ruben Ramirez-Hidalgo v David Poljak | 6-3,6-2 |
| ITF Hungary F3 | 2017/05/24 11:35 | James Frawley v Pascal Meis | 2-6,1-6 |
| ITF Hungary F3 | 2017/05/22 11:25 | James Frawley v Patrik Obal | 7-6,6-2 |
| ITF Hungary F2 | 2017/05/17 10:50 | James Frawley v Pascal Brunner | 6-7,4-6 |
| ITF Hungary F2 | 2017/05/15 08:00 | James Frawley v Peter Balla | 6-4,7-6 |
| ITF Turkey F17 | 2017/05/05 09:00 | Dennis Novak v James Frawley | 6-2,6-0 |
| ITF Turkey F17 | 2017/05/04 09:00 | James Frawley v Ricardo Hocevar | 7-6,6-4 |
| ITF Turkey F17 | 2017/05/03 08:50 | Martin Cuevas v James Frawley | 4-6,6-7 |
| ITF Turkey F17 | 2017/05/01 07:30 | James Frawley v Dusty H. Boyer | 6-4,4-6,6-4 |