Stadium: Court 18 Round: 54 Ground: Clay
| ITF M25 Most | 2023/05/23 08:00 | Dylan Dietrich v Roman Postolka | 6-4,6-3 |
| ITF M25 Most | 2023/05/22 08:00 | Alan Bojarski v Roman Postolka | 5-7,7-6,8-10 |
| ITF M25 Most | 2023/05/21 08:00 | Roman Postolka v Jiri Jenicek | 2-6,6-3,10-8 |
| 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 M15 Antalya | 2023/03/19 07:00 | Jannik Maute v Arthur Gea | 2-6,3-6 |
| ITF M25 Antalya | 2023/02/05 07:00 | Jannik Maute v Aleksandr Lobanov | 2-6,2-6 |
| ITF M25 Antalya | 2023/01/30 11:45 | Marcel Zielinski v Jannik Maute | 6-4,6-1 |
| ITF M25 Antalya | 2023/01/29 07:30 | Jannik Maute v Seth Sadikov | 7-5,3-6,10-7 |
| ITF M25 Nussloch | 2023/01/23 09:00 | Jannik Maute v Jesse De Jager | 4-6,3-6 |
| ITF M15 Uberlingen | 2022/08/16 08:00 | Jannik Maute v Sebastian Santibanez | 6-3,6-2 |
| ITF M15 Uberlingen | 2022/08/15 12:00 | Jannik Maute v Nicolas Affolter | 6-0,6-2 |
| ATP Stuttgart | 2022/06/04 09:00 | Jannik Maute v Mats Moraing | 1-6,6-7 |