Stadium: C Round: 25 Ground: Carpet indoor
| 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 | 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 F4 | 2018/06/28 13:00 | Peter Torebko v Jan Mertl | 7-6,6-4 |
| ITF Czech Republic F4 | 2018/06/27 09:10 | Michal Konecny v Jan Mertl | 4-6,7-5,2-6 |
| ITF Czech Republic F4 | 2018/06/26 08:00 | Jan Mertl v Oscar Jose Gutierrez | 7-6,6-3 |
| Challenger Prostejov Qual | 2018/06/04 10:00 | Martin Cuevas v Jan Mertl | 6-4,7-6 |
| Challenger Prostejov Qual | 2018/06/03 16:45 | Jan Mertl v Fabien Reboul | 7-6,6-3 |
| Challenger Prostejov Qual | 2018/06/03 11:20 | Petr Nouza v Jan Mertl | 3-6,4-6 |
| ITF Czech Republic F3 | 2018/06/02 09:40 | Jan Mertl v Patrik Rikl | 7-5,3-6,3-6 |
| ITF Czech Republic F3 | 2018/05/31 10:45 | Jan Mertl v Robin Stanek | 1-6,6-3,6-2 |