Round: 45 Ground: Carpet indoor
| ITF Czech Republic F7 | 2018/10/22 13:00 | Daniel Vrba v Piotr Grynkowski | 6-4,4-6,3-6 |
| ITF M15 Liberec | 2019/10/22 12:00 | Adrian Bodmer v Piotr Grynkowski | 6-4,7-5 |
| ITF M15 Olomouc | 2019/10/16 09:25 | Piotr Grynkowski v Michal Konecny | 6-7,2-6 |
| ITF M15 Burgas | 2019/10/10 07:00 | Tomislav Jotovski v Piotr Grynkowski | 6-4,6-2 |
| ITF M15 Chornomorsk | 2019/09/25 09:25 | Piotr Grynkowski v Lorenzo Vatteroni | 6-3,2-6,2-6 |
| ITF M15 Sajur | 2019/09/06 07:00 | Yshai Oliel v Piotr Grynkowski | 6-1,6-3 |
| ITF M15 Sajur | 2019/09/04 10:40 | Piotr Grynkowski v Sergey Bolotov | 7-5,6-1 |
| ITF M15 Kiryat Shmona | 2019/08/21 13:40 | Sahar Simon v Piotr Grynkowski | 3-6,6-4,7-5 |
| ITF M25 Bydgoszcz | 2019/08/13 12:00 | Denis Yevseyev v Piotr Grynkowski | 4-6,6-2,6-1 |
| ITF M15 Bratislava | 2019/08/26 08:00 | Michal Selecky v Daniel Vrba | 7-5,6-1 |
| ITF M15 Bratislava | 2019/08/25 10:00 | Jan Jermar v Daniel Vrba | 2-6,1-6 |
| ITF M15 Baja | 2019/08/15 13:30 | Daniel Vrba v Daniel Paty | 6-3,4-6,5-7 |
| ITF M15 Baja | 2019/08/15 08:00 | Daniel Vrba v Isa Mammetgulyyev | 6-3,6-1 |
| ITF M15 Baja | 2019/08/13 08:00 | Daniel Vrba v Gaspar Zimbrek-Turkovic | 6-3,6-2 |
| ITF M15 Baja | 2019/08/12 08:00 | Evzen Holis v Daniel Vrba | 4-6,4-6 |
| ITF M15 Koszalin | 2019/08/07 07:00 | Filip Kolasinski v Daniel Vrba | 6-4,7-6 |
| ITF M15 Koszalin | 2019/08/06 08:00 | Daniel Vrba v Jan Galka | 3-6,6-1,10-7 |