Stadium: Court 5 Round: 44 Ground: Clay
| ITF Poland F6 | 2018/08/07 08:00 | Szymon Walkow v Piotr Grynkowski | 6-3,6-2 |
| ITF Ireland F1 Qual | 2018/07/30 09:30 | Piotr Grynkowski v Jonathan Binding | 4-6,2-6 |
| ITF Czech Republic F5 Qual | 2018/07/02 10:00 | Piotr Grynkowski v Antonin Stepanek | 2-6,0-6 |
| ITF Czech Republic F5 Qual | 2018/07/01 08:00 | Piotr Grynkowski v Michal Skonieczny | 6-2,6-3 |
| ITF Poland F4 | 2018/05/22 08:55 | Pawel Juszczak v Piotr Grynkowski | 6-2,6-3 |
| ITF Poland F4 | 2018/05/21 07:00 | Piotr Grynkowski v Ramy Labna | 6-3,7-6 |
| ITF Poland F2 | 2018/05/06 08:00 | Janis Podzus v Piotr Grynkowski | 7-5,7-5 |
| ITF Poland F2 | 2018/05/05 12:30 | Noe Sytkow v Piotr Grynkowski | 2-6,7-6,1-6 |
| ITF Germany F11 | 2018/08/05 10:00 | Marco Di Maro v Tejas Chaukulkar | 2-6,3-6 |
| ITF Italy F13 | 2018/06/02 07:30 | Marco Di Maro v Andrea Bolla | 1-6,3-6 |
| ITF Bulgaria F1 | 2018/05/14 07:00 | Yoan Georgiev v Marco Di Maro | 6-4,6-4 |
| ITF Bulgaria F1 | 2018/05/12 10:00 | Marco Di Maro v Daniil Tsebrenko | 6-2,6-4 |
| ITF Croatia F3 | 2018/03/18 08:00 | Tino Kovacic v Marco Di Maro | 6-1,3-6,7-5 |
| ITF Great Britain F4 | 2017/09/11 09:00 | Marco Di Maro v Curtis Clarke | 6-4,7-5 |
| ITF Great Britain F4 | 2017/09/11 09:00 | Alexis Canter v Marco Di Maro | 6-1,6-1 |
| ITF Belgium F11 | 2017/08/28 13:00 | Sidane Pontjodikromo v Marco Di Maro | 7-5,6-0 |