Stadium: Court 9 Round: 62 Ground: Clay
| ITF M15 Belgrade | 2023/06/25 07:00 | Niksa Arsic v Petar Jovanovic | 4-6,3-6 |
| ITF M15 Kursumlijska Banja | 2023/05/25 07:20 | Andrea Picchione v Niksa Arsic | 6-0,6-1 |
| ITF M15 Kursumlijska Banja | 2023/05/24 10:05 | Niksa Arsic v Simone Agostini | 3-6,6-4,6-4 |
| ITF M15 Kursumlijska Banja | 2023/05/23 12:45 | Niksa Arsic v Semen Voronin | 6-1,6-2 |
| ITF M15 Kursumlijska Banja | 2023/05/22 12:40 | Samuele Pieri v Niksa Arsic | 6-2,6-7,11-13 |
| ITF M15 Kursumlijska Banja | 2023/05/21 12:30 | Darko Kolevski v Niksa Arsic | 3-6,2-6 |
| ITF M25 Kursumlijska Banja | 2023/05/16 12:30 | Mili Poljicak v Niksa Arsic | 6-0,6-4 |
| UTR Pro Beograd | 2023/04/22 06:00 | Zoran Ludoski v Niksa Arsic | 6-3,4-6,5-4 |
| 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 M25 Marburg | 2023/07/04 07:55 | Tomas Lanik v Karlo Cubelic | 3-6,6-1,7-10 |
| ITF M25 Poprad | 2023/06/21 08:00 | Tomas Lanik v Leonid Sheyngezikht | 6-4,6-1 |
| Challenger Bratislava | 2023/06/11 10:00 | Tomas Lanik v Michael Vrbensky | 6-3,3-6,6-7 |
| ITF M15 Sarajevo | 2023/06/08 08:25 | Elmar Ejupovic v Tomas Lanik | 6-1,6-4 |