Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF Czech Republic F11 Qual | 2018/11/19 14:00 | Piotr Grynkowski v Jakob Aichhorn | 2-6,5-7 |
| ITF Czech Republic F10 | 2018/11/13 11:00 | Jakob Aichhorn v Piotr Grynkowski | 6-3,6-0 |
| ITF Czech Republic F10 | 2018/11/12 09:00 | Samuel Puskar v Piotr Grynkowski | 6-7,7-5,2-6 |
| ITF Czech Republic F8 | 2018/10/30 09:00 | Piotr Grynkowski v Ivan Marrero Curbelo | 7-6,6-3 |
| 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 Spain F15 Qual | 2018/06/11 08:00 | Albert Roglan v Kento Yamada | 6-2,2-6,6-1 |
| ITF Spain F15 Qual | 2018/06/10 10:00 | Kento Yamada v Marcos N Gallardo | 6-2,6-1 |
| ITF Spain F15 Qual | 2018/06/09 11:30 | Kento Yamada v Marc Guardeno | 6-4,6-1 |
| ITF Turkey F21 | 2017/05/31 08:55 | Kento Yamada v Duje Kekez | 1-6,4-6 |
| ITF Turkey F13 | 2017/05/29 07:30 | Jose Daniel Bendeck v Kento Yamada | 4-6,4-6 |
| ITF Turkey F13 | 2017/05/28 07:00 | Can Kaya v Kento Yamada | 0-6,2-6 |
| ITF Turkey F20 | 2017/05/21 09:30 | Yoan Georgiev v Kento Yamada | 6-3,7-5 |
| ITF Spain F14 | 2017/05/14 07:00 | Kento Yamada v Quim Sorni Chavarria | 3-6,3-6 |