Stadium: Court 3 Round: 54 Ground: Carpet indoor
| ITF Czech Republic F8 | 2018/10/29 12:00 | Marcell Bartakovics v Piotr Grynkowski | 3-6,3-6 |
| ITF Czech Republic F7 | 2018/10/24 08:00 | Piotr Grynkowski v Jan Mertl | 7-6,3-6,3-6 |
| ITF Czech Republic F7 | 2018/10/23 11:10 | Kai Lemstra v Piotr Grynkowski | 4-6,6-1,4-6 |
| ITF Czech Republic F7 | 2018/10/22 13:00 | Daniel Vrba v Piotr Grynkowski | 6-4,4-6,3-6 |
| ITF Germany F15 | 2018/10/11 13:50 | Denis Matsukevich v Piotr Grynkowski | 6-4,6-2 |
| ITF Germany F15 | 2018/10/10 12:10 | Leonard Von Hindte v Piotr Grynkowski | 6-7,6-1,3-6 |
| ITF Germany F15 | 2018/10/08 08:00 | Piotr Grynkowski v Thorsten Sollie | 7-5,7-5 |
| ITF Poland F8 | 2018/08/21 13:00 | Piotr Grynkowski v Jelle Sels | 3-6,2-6 |
| ITF Czech Republic F8 | 2018/10/29 12:00 | Michal Mikula v Ivan Marrero Curbelo | 5-7,3-6 |
| ITF Czech Republic F7 | 2018/10/25 08:00 | Ivan Marrero Curbelo v Antonin Stepanek | 1-6,7-5,6-7 |
| ITF Czech Republic F7 | 2018/10/24 08:00 | Marek Gengel v Ivan Marrero Curbelo | 5-7,5-7 |
| ITF Tunisia F35 | 2018/10/09 08:30 | Ivan Marrero Curbelo v Quentin Folliot | 4-6,6-2,2-6 |
| ITF Tunisia F34 | 2018/10/03 08:30 | Ivan Marrero Curbelo v Alban Meuffels | 1-6,1-6 |
| ITF Spain F27 | 2018/09/11 11:00 | Ivan Marrero Curbelo v David Jorda Sanchis | 1-6,2-6 |
| ITF Spain F27 | 2018/09/10 11:45 | Ivan Marrero Curbelo v Pietro Schiavetti | 7-5,6-1 |
| ITF Spain F27 | 2018/09/09 08:45 | Ivan Marrero Curbelo v Gabriel P Tumasonis | 6-4,6-0 |