Stadion: Court 11 Round: 25 Ground: Clay
| ITF - M15 - Huy | 2023/08/23 09:00 | Buvaysar Gadamauri v Tomas Lanik | 6-1,6-7,6-3 |
| ITF - M15 - Kottingbrunn | 2023/08/16 09:55 | Tomas Lanik v Gerald Melzer | 4-6,2-6 |
| ITF - M15 - Kottingbrunn | 2023/08/14 12:00 | Tomas Lanik v Roman Postolka | 6-4,4-6,10-6 |
| 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 - M15 - Novi Sad | 2023/08/01 11:15 | Nicolas Bruna v Aleksa Mardjonovic | 6-1,6-2 |
| ITF - M15 - Novi Sad | 2023/08/01 07:30 | Maxim Krapivin v Aleksa Mardjonovic | 0-6,5-7 |
| ITF - M15 - Novi Sad | 2023/07/31 09:30 | Lorenzo Ferri v Aleksa Mardjonovic | 6-1,2-6,4-10 |
| ITF - M15 - Belgrad | 2023/06/29 08:40 | Andrey Chepelev v Aleksa Mardjonovic | 6-3,6-3 |
| ITF - M15 - Belgrad | 2023/06/28 08:40 | Aleksa Pisaric v Aleksa Mardjonovic | 6-4,4-6,3-6 |
| ITF - M15 - Belgrad | 2023/06/27 09:05 | Veljko Krstic v Aleksa Mardjonovic | 6-2,4-6,10-12 |
| ITF - M15 - Belgrad | 2023/06/26 10:20 | Marko Miladinovic v Aleksa Mardjonovic | 5-7,2-6 |
| ITF - M15 - Belgrad | 2023/06/25 09:30 | Joel Angel Lucero v Aleksa Mardjonovic | 4-6,1-6 |