| UTR Pro Beograd | 2023/10/04 12:57 | Vladan Tadic v Tadija Radovanovic | 6-4,6-4 |
| UTR Pro Beograd | 2023/10/03 12:40 | Andrej Nedic v Tadija Radovanovic | 6-3,6-3 |
| UTR Pro Beograd | 2023/10/02 08:43 | Romeo Hadzimehmedovic v Tadija Radovanovic | 6-3,2-6,1-6 |
| UTR Pro Beograd | 2023/10/01 06:00 | Tadija Radovanovic v Renlong Pang | 0-0 |
| ITF M25 Zlatibor | 2023/09/27 13:00 | Jaka Protic Zakelj v Tadija Radovanovic | 6-3,7-5 |
| ITF M25 Zlatibor | 2023/09/27 09:00 | Tadija Radovanovic v Yi Ke Li | 6-1,6-2 |
| ITF M15 Kursumlijska Banja | 2023/09/20 08:35 | Tadija Radovanovic v Stefan Popovic | 4-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/09/19 10:55 | Martin Zeljenka v Tadija Radovanovic | 5-7,7-6,9-11 |
| 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 |
| UTR Pro Tennis Series Zadar | 2021/07/04 08:30 | Jerko Brkic v Karlo Kajin | 6-4,6-4 |
| UTR Pro Tennis Series Zadar | 2021/07/03 11:30 | Ihor Dudun v Karlo Kajin | 3-6,1-6 |
| UTR Pro Tennis Series Zadar | 2021/07/01 11:00 | Karlo Kajin v Matija Pecotic | 1-6,2-5 |