Stadium: Court 3 Round: 62 Ground: Clay
| ITF M25 Prague | 2023/05/14 08:30 | Jakob Schnaitter v Roman Postolka | 6-2,6-2 |
| ITF M15 Ithaca | 2023/01/17 16:00 | Marko Stakusic v Roman Postolka | 6-4,3-6,16-14 |
| ITF M15 Ithaca | 2023/01/16 16:00 | Roman Postolka v Stefano Liokossis | 6-2,6-3 |
| ITF M15 Fayetteville | 2022/11/01 15:00 | Aidan Kim v Roman Postolka | 6-2,6-3 |
| ITF M15 Tallahassee | 2022/10/24 14:00 | Mateusz Terczynski v Roman Postolka | 6-1,3-6,10-8 |
| ITF M25 Jablonec Nad Nisou | 2022/05/24 10:00 | Roman Postolka v Jakub Filip | 6-7,6-3,3-10 |
| ITF M25 Jablonec Nad Nisou | 2022/05/23 11:00 | Jeremy Schifris v Roman Postolka | 4-6,1-6 |
| ITF M25 Most | 2022/05/18 11:10 | Timo Stodder v Roman Postolka | 6-1,6-4 |
| ITF M25 Prague | 2023/05/17 09:10 | Jiri Jenicek v Patrik Rikl | 4-6,3-6 |
| UTR Pro Thessaloniki | 2023/04/30 05:00 | Jiri Jenicek v Tadija Radovanovic | 7-6,6-3 |
| UTR Pro Thessaloniki | 2023/04/29 06:30 | Jiri Jenicek v Christos Antonopoulos | 6-0,6-3 |
| UTR Pro Thessaloniki | 2023/04/28 05:00 | Jiri Jenicek v Besir Durguti | 6-4,6-1 |
| UTR Pro Thessaloniki | 2023/04/26 06:30 | Jiri Jenicek v Stefan A Andreescu | 5-7,4-5 |
| UTR Pro Thessaloniki | 2023/04/25 05:00 | Jiri Jenicek v Matija Samardzic | 4-6,6-3,6-7 |
| UTR Pro Thessaloniki | 2023/04/24 09:38 | Evangelos Kypriotis v Jiri Jenicek | 4-6,3-6 |
| ITF M15 Monastir | 2023/04/03 15:00 | Dusan Baranec v Jiri Jenicek | 6-4,0-6,10-5 |