Stadium: Court 4 Round: 27 Ground: Clay
| ITF Serbia F3 | 2017/08/25 08:00 | Paroulek, Tadeas v Pospisil, Jaroslav | 1-6,2-6 |
| ITF Serbia F4 | 2018/08/30 09:00 | Paroulek, Tadeas v Hodor, Samuel | 7-5,6-1 |
| ITF Serbia F4 | 2018/08/29 08:30 | Paroulek, Tadeas v Alexandros Skorilas | 6-0,5-7,6-3 |
| Hungary F6, Singles | 2018/08/26 14:00 | Paroulek, Tadeas v Doumbia, Sadio | 3-6,6-7 |
| Hungary F6, Singles | 2018/08/25 11:00 | Paroulek, Tadeas v Rodriguez, Cristian | 6-4,4-6,6-3 |
| Hungary F6, Singles | 2018/08/23 15:45 | Paroulek, Tadeas v Meis, Pascal | 6-3,6-4 |
| Hungary F6, Singles | 2018/08/21 08:00 | Paroulek, Tadeas v Adochitei Pandelea, Eric Tudor | 6-1,6-0 |
| ITF Slovakia F3 | 2018/08/08 08:00 | Paroulek, Tadeas v Alex Molcan | 1-6,0-6 |
| ITF Slovakia F2 | 2018/08/03 08:00 | Paroulek, Tadeas v Kalenichenko, Danylo | 2-6,6-2,6-7 |
| ITF Serbia F4 | 2018/08/30 09:00 | Bucan, Aleksa v Pospisil, Jaroslav | 3-6,1-6 |
| ITF Serbia F4 | 2018/08/28 08:00 | Petrovic, Stefan v Pospisil, Jaroslav | 5-7,0-6 |
| Challenger Prostejov Qual | 2018/06/03 14:15 | Pospisil, Jaroslav v Gianluca Mager | 6-4,1-6,5-7 |
| Challenger Prostejov Qual | 2018/06/03 08:00 | Pospisil, Jaroslav v Dominik Kellovsky | 6-3,6-4 |
| Turkey F14, Singles Qualifying | 2018/04/15 07:30 | Nino Serdarusic v Pospisil, Jaroslav | 6-2,2-6,6-3 |
| Turkey F14, Singles Qualifying | 2018/04/14 07:30 | Pospisil, Jaroslav v Sebastian Baez | 6-3,6-4 |
| Turkey F14, Singles Qualifying | 2018/04/13 07:30 | Pospisil, Jaroslav v Sieber, Marc | 6-2,6-4 |
| Turkey F14, Singles Qualifying | 2018/04/12 09:15 | Marcora, Roberto v Pospisil, Jaroslav | 1-6,2-6 |