Round: 25 Ground: Hardcourt outdoor
| ITF Poland F2 | 2017/06/18 08:30 | Piotr Grynkowski v Szymon Walkow | 1-6,6-3,3-6 |
| ITF Turkey F17 | 2017/05/01 07:30 | Gorazd Srbljak v Piotr Grynkowski | 6-3,6-2 |
| ITF Turkey F16 | 2017/04/25 07:00 | Volodymyr Uzhylovskyi v Piotr Grynkowski | 2-6,6-2,6-1 |
| ITF Turkey F16 | 2017/04/24 07:30 | Fermin Tenti v Piotr Grynkowski | 7-5,5-7,4-6 |
| ITF Turkey F16 | 2017/04/23 07:00 | Mert Naci Turker v Piotr Grynkowski | 4-6,2-6 |
| ITF Turkey F15 | 2017/04/16 07:00 | Juan Carlos Saez v Piotr Grynkowski | 6-3,6-2 |
| ITF Turkey F14 | 2017/04/08 07:00 | Andrey Chepelev v Piotr Grynkowski | 6-4,6-3 |
| ITF Turkey F13 | 2017/04/03 08:00 | Piotr Grynkowski v Jordi Walder | 1-6,6-4,5-7 |
| ITF Poland F2 | 2017/06/25 12:00 | Markus Eriksson v Robin Stanek | 7-5,6-1 |
| ITF Poland F2 | 2017/06/24 15:50 | Markus Eriksson v Pawel Juszczak | 6-1,6-3 |
| ITF Poland F2 | 2017/06/23 10:00 | Markus Eriksson v David Poljak | 6-4,6-3 |
| ITF Poland F2 | 2017/06/23 09:30 | Markus Eriksson v David Poljak | 6-4,5-3 |
| ITF Poland F2 | 2017/06/21 11:30 | Markus Eriksson v Juan Ignacio Ameal | 4-6,6-1,6-2 |
| ITF Poland F2 | 2017/06/19 13:50 | Markus Eriksson v Piotr Matuszewski | 4-6,6-3,6-4 |
| Challenger Lyon Qual | 2017/06/10 17:15 | Maxime Chazal v Markus Eriksson | 7-5,6-3 |
| Challenger Prostejov | 2017/06/09 12:50 | Markus Eriksson v Federico Delbonis | 5-7,5-7 |