Stadium: Court 3 Round: 54 Ground: Carpet indoor
| 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 Poland F1 | 2018/05/03 09:00 | Guy Den Heijer v Piotr Grynkowski | 6-1,6-2 |
| ITF Poland F1 | 2018/05/01 12:15 | Daniel Kossek v Piotr Grynkowski | 1-6,1-6 |
| ITF Poland F1 | 2018/04/30 07:00 | Dominik Recek v Piotr Grynkowski | 6-4,3-6,5-7 |
| ITF Czech Republic F5 Qual | 2018/07/01 08:00 | Vojtech Vlkovsky v Antonin Stepanek | 3-6,6-7 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Rio Noguchi v Antonin Stepanek | 7-6,7-5 |
| ITF Czech Republic F3 | 2018/05/31 12:15 | Bruno Santanna v Antonin Stepanek | 7-5,6-4 |
| ITF Czech Republic F3 | 2018/05/30 12:35 | Patrik Nema v Antonin Stepanek | 4-6,5-7 |
| ITF Czech Republic F3 Qual | 2018/05/28 09:35 | Antonin Bolardt v Antonin Stepanek | 4-6,4-6 |
| ITF Czech Republic F3 Qual | 2018/05/27 08:00 | Antonin Stepanek v Lukas Vejvara | 6-4,7-5 |
| ITF Czech Republic F3 Qual | 2018/05/26 08:00 | Tommy Hamilton v Antonin Stepanek | 1-6,1-6 |
| ITF Czech Republic F2 Qual | 2018/05/20 08:00 | Tomas Papik v Antonin Stepanek | 7-5,6-1 |