Stadium: Court 5 Round: 62 Ground: Clay
| ITF M25 - Telfs | 2021/07/12 09:40 | Tim Heger v Roman Postolka | 7-5,6-3 |
| ITF M25 - Most | 2021/05/24 09:00 | Roman Postolka v Dominik Recek | 3-6,7-6,6-10 |
| ITF M25 - Most | 2021/05/23 14:00 | Stepan Pecak v Roman Postolka | 4-6,1-6 |
| ITF M25 - Prag | 2021/05/10 10:30 | Roman Postolka v Petr Michnev | 3-6,2-6 |
| ITF M25 - Prag | 2021/05/09 11:00 | Roman Postolka v Daniel Paty | 6-4,1-6,10-7 |
| ITF Slovakia F3 | 2018/08/05 10:00 | Samuel Paulovcak v Roman Postolka | 6-3,6-1 |
| ITF Czech Republic F6 Qual | 2017/07/16 07:00 | Marek Rehacek v Roman Postolka | 6-4,6-7,6-4 |
| ITF M15 - Poprad | 2021/07/04 11:00 | Jakub Kroslak v Mateusz Terczynski | 6-2,6-7,9-11 |
| ITF M15 - Monastir | 2021/03/28 09:00 | Aleksandr Kalinin v Jakub Kroslak | 7-5,7-6 |
| ITF M15 - Monastir | 2021/03/22 10:00 | Jakub Kroslak v Aristotelis Thanos | 4-6,2-6 |
| ITF M15 - Monastir | 2021/03/21 16:00 | Jakub Kroslak v Tushar Sharma | 6-1,6-1 |
| ITF M15 - Bratislava | 2021/03/09 09:00 | Jakub Kroslak v Luca Van Assche | 2-6,1-6 |
| ITF M15 - Bratislava | 2021/03/08 15:00 | Jakub Kroslak v Radovan Michalik | 6-1,1-6,10-7 |