| 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 |
| UTR Pro Sofia | 2023/09/05 07:42 | Janos Fekete v Christos Keisidis | 6-0,6-1 |
| UTR Pro Sofia | 2023/09/04 05:00 | Janos Fekete v Sergo Sikharulidze | 6-2,6-2 |
| UTR Pro Beograd | 2023/10/10 09:00 | Yanais Laurent v Karlo Kajin | 6-2,6-3 |
| UTR Pro Beograd | 2023/10/09 07:30 | Nikola Mitrovic v Karlo Kajin | 4-6,3-6 |
| UTR Pro Beograd | 2023/10/05 06:00 | Tadija Radovanovic v Karlo Kajin | 6-7,6-4,6-2 |
| UTR Pro Beograd | 2023/10/03 14:10 | Karlo Kajin v Obrad Markovski | 6-4,3-6,4-6 |
| UTR Pro Beograd | 2023/10/02 13:41 | Karlo Kajin v Milan Drinic | 3-6,6-0,6-2 |
| UTR Pro Beograd | 2023/10/01 10:30 | Vuk Radjenovic v Karlo Kajin | 6-2,6-3 |
| UTR Pro Tennis Series Zadar | 2022/05/31 07:30 | Dmitrii Vasilev v Karlo Kajin | 3-6,7-6,2-0 |
| UTR Pro Tennis Series Zadar | 2022/05/30 06:00 | Karlo Kajin v Maximilian Homberg | 4-6,2-6 |