| UTR Pro Beograd | 2023/10/13 06:00 | Marko Nikolic v Enrique Bogo | 6-4,7-6 |
| UTR Pro Beograd | 2023/10/11 11:47 | Marko Nikolic v Aleksa Mardjonovic | 7-6,2-6,7-6 |
| UTR Pro Beograd | 2023/10/10 10:01 | Marko Nikolic v Obrad Markovski | 7-6,6-4 |
| UTR Pro Beograd | 2023/10/09 06:00 | Marko Nikolic v Illya Beloborodko | 6-7,6-7 |
| ITF M15 Kursumlijska Banja | 2023/09/19 08:45 | Marko Nikolic v Ioannis Kountourakis | 4-6,4-6 |
| ITF M15 Kursumlijska Banja | 2023/09/18 07:00 | Obrad Markovski v Marko Nikolic | 1-6,7-5,8-10 |
| ITF M15 Kursumlijska Banja | 2023/09/17 10:30 | Marko Nikolic v Marko Maric | 6-3,3-6,10-3 |
| ITF M15 Kursumlijska Banja | 2023/09/12 07:00 | Marko Nikolic v Zoran Ludoski | 3-6,1-6 |
| UTR Pro Beograd | 2023/10/13 06:00 | Drazen Petrovic v Janos Fekete | 5-7,0-0 |
| UTR Pro Beograd | 2023/10/11 06:00 | Janos Fekete v Karlo Kajin | 6-4,6-4 |
| UTR Pro Beograd | 2023/10/10 10:30 | Janos Fekete v Nikola Mitrovic | 6-4,6-2 |
| UTR Pro Beograd | 2023/10/09 07:30 | Yanais Laurent v Janos Fekete | 7-5,6-2 |
| UTR Pro Sofia | 2023/09/10 05:00 | Janos Fekete v Enrique Bogo | 6-3,5-3 |
| UTR Pro Sofia | 2023/09/09 06:30 | Ioannis Xilas v Janos Fekete | 0-1 |
| UTR Pro Sofia | 2023/09/07 06:30 | Janos Fekete v Milen Ianakiev | 7-5,5-3 |
| UTR Pro Sofia | 2023/09/06 05:00 | Janos Fekete v Gabriel Donev | 0-6,6-3,3-6 |