Stadium: Court 2 Round: 62 Ground: Clay
| ITF Czech Republic F3 Qual | 2018/05/28 09:35 | Bolardt, Antonin v Stepanek, Antonin | 4-6,4-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/18 07:30 | Titouan Droguet v Stepanek, Antonin | 6-3,6-2 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 07:30 | Daniel Paty v Stepanek, Antonin | 2-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 07:30 | Januska, Adam v Stepanek, Antonin | 1-6,2-6 |
| ITF M25 Prague | 2021/05/09 12:30 | Stepanek, Antonin v Wojcik, Yann | 6-4,4-6,4-10 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/13 12:50 | Stanek, Robin v Stepanek, Antonin | 4-6,6-2,6-4 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/12 09:00 | Novikov, Egor v Stepanek, Antonin | 2-6,4-6 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/11 11:00 | Kubik, Kristian v Stepanek, Antonin | 1-6,0-6 |
| ITF M15 Prague | 2019/11/04 14:00 | Marek Gengel v Stepanek, Antonin | 6-7,6-4,10-2 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Bolardt, Antonin v Filip Duda | 0-6,3-6 |
| ITF M25 Prague | 2021/05/10 10:30 | Bolardt, Antonin v Rikl, Patrik | 1-6,4-6 |
| ITF M25 Prague | 2021/05/09 12:30 | Krcma, Tomas v Bolardt, Antonin | 2-6,2-6 |
| ITF M25 Pardubice | 2020/09/30 07:00 | Petr Michnev v Bolardt, Antonin | 6-3,0-6,10-6 |
| ITF M25 Pardubice | 2020/09/27 09:00 | Bolardt, Antonin v Johan Nikles | 7-5,3-6,10-6 |
| ITF M25 Prague | 2020/09/14 10:30 | Yshai Oliel v Bolardt, Antonin | 6-1,6-0 |
| ITF M25 Prague | 2020/09/13 10:30 | Bolardt, Antonin v Vanko, Tomas | 6-2,7-5 |
| ITF M15 Opava | 2019/10/29 12:15 | Mattia Bellucci v Bolardt, Antonin | 6-3,6-4 |