Stadium: Court 1 Round: 62 Ground: Clay
| ITF M15 Kottingbrunn | 2023/08/14 08:00 | Tomas Lanik v Elias Julian Werner | 7-6,6-1 |
| ITF M15 Kottingbrunn | 2023/08/13 10:30 | Tomas Lanik v Aljaz Jeran | 6-2,6-0 |
| ITF M15 Novi Sad | 2023/07/24 13:05 | Peter Nad v Tomas Lanik | 4-6,6-3,10-7 |
| ITF M15 Novi Sad | 2023/07/23 07:00 | Niksa Arsic v Tomas Lanik | 7-5,2-6,10-12 |
| ITF M25 Telfs | 2023/07/20 10:15 | Lukas Rosol v Tomas Lanik | 3-6,6-3,6-3 |
| ITF M25 Telfs | 2023/07/19 12:30 | Tomas Lanik v Martin Krumich | 1-6,6-4,6-4 |
| ITF M25 Telfs | 2023/07/17 11:00 | Tomas Lanik v Adam Blecha | 6-4,6-1 |
| ITF M25 Telfs | 2023/07/17 07:00 | Tomas Lanik v Dario Huber | 6-2,5-7,13-11 |
| ITF M15 Kottingbrunn | 2023/08/14 08:00 | Pietro R Scomparin v Roman Postolka | 2-6,1-6 |
| ITF M15 Kottingbrunn | 2023/08/13 08:00 | Pierre Antoine Tailleu v Roman Postolka | 4-6,2-6 |
| ITF M25 Poprad | 2023/06/22 08:00 | Roman Postolka v Vladyslav Orlov | 3-6,4-6 |
| ITF M25 Poprad | 2023/06/20 08:00 | Roman Postolka v Tomas Vaise | 6-4,6-4 |
| ITF M25 Poprad | 2023/06/19 10:05 | Roman Postolka v Peter Nad | 6-3,1-6,10-8 |
| ITF M25 Jablonec Nad Nisou | 2023/05/29 09:00 | Peter Goldsteiner v Roman Postolka | 6-3,6-3 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 13:00 | Roman Postolka v Shu Matsuoka | 6-4,6-2 |
| ITF M25 Most | 2023/05/23 08:00 | Dylan Dietrich v Roman Postolka | 6-4,6-3 |