Stadium: Court 1 Round: 62 Ground: Clay
| ITF M25 Most | 2021/05/23 14:00 | Stepan Pecak v Postolka, Roman | 4-6,1-6 |
| ITF M25 Prague | 2021/05/10 10:30 | Postolka, Roman v Petr Michnev | 3-6,2-6 |
| ITF M25 Prague | 2021/05/09 11:00 | Postolka, Roman v Daniel Paty | 6-4,1-6,10-7 |
| ITF Slovakia F3 | 2018/08/05 10:00 | Paulovcak, Samuel v Postolka, Roman | 6-3,6-1 |
| Czech Republic F6, Singles Qualifying | 2017/07/16 07:00 | Rehacek, Marek v Postolka, Roman | 6-4,6-7,6-4 |
| ITF M25 Most | 2021/05/23 14:00 | Martin Machala v Recek, Dominik | 4-6,0-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Hampel, Lenny v Recek, Dominik | 6-2,7-5 |
| ITF M25 Prague | 2021/05/10 10:30 | Franco Agamenone v Recek, Dominik | 6-0,6-2 |
| ITF M25 Prague | 2021/05/09 11:00 | Kris Krawcewicz v Recek, Dominik | 6-2,5-7,7-10 |
| ITF M15 St Petersburg | 2021/04/12 07:00 | Sarp Agabigun v Recek, Dominik | 6-4,6-2 |
| ITF M15 St Petersburg Qual | 2021/04/11 13:55 | Recek, Dominik v Evgeny Philippov | 7-5,6-3 |
| ITF M15 St Petersburg | 2021/04/05 06:55 | Yanki Erel v Recek, Dominik | 7-5,6-2 |
| ITF M15 St Petersburg | 2021/04/04 13:15 | Recek, Dominik v Aliaksandr Liaonenka | 6-4,6-2 |