Round: 54 Ground: Carpet indoor
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Cyprich, Lucas v Vojtech Vlkovsky | 2-6,4-6 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Vojtech Vlkovsky v Khomentovskiy, Matvey | 2-6,2-6 |
| ITF Czech Republic F4 Qual | 2017/07/02 08:00 | Vojtech Vlkovsky v Petr Nouza | 0-6,3-6 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Rio Noguchi v Stepanek, Antonin | 7-6,7-5 |
| ITF Czech Republic F3 | 2018/05/31 12:15 | Santanna, B. v Stepanek, Antonin | 7-5,6-4 |
| ITF Czech Republic F3 | 2018/05/30 12:35 | Nema, Patrik v Stepanek, Antonin | 4-6,5-7 |
| ITF Czech Republic F3 Qual | 2018/05/28 09:35 | Bolardt, Antonin v Stepanek, Antonin | 4-6,4-6 |
| ITF Czech Republic F3 Qual | 2018/05/27 08:00 | Stepanek, Antonin v Vejvara, Lukas | 6-4,7-5 |
| ITF Czech Republic F3 Qual | 2018/05/26 08:00 | Hamilton, Tommy v Stepanek, Antonin | 1-6,1-6 |
| ITF Czech Republic F2 Qual | 2018/05/20 08:00 | Papik, Tomas v Stepanek, Antonin | 7-5,6-1 |
| ITF Czech Republic F1 | 2018/05/14 10:50 | Robert Strombachs v Stepanek, Antonin | 7-6,6-2 |