Stadium: Opatija 2 Round: 25 Ground: Clay
| ITF M25 Opatija | 2023/03/21 15:00 | Lucas Bouquet v Marko Andrejic | 1-6,4-6 |
| ITF M25 Opatija | 2023/03/21 10:00 | Dimitrije Zubac v Marko Andrejic | 2-6,7-6,6-10 |
| ITF M25 Opatija | 2023/03/19 08:00 | Martin Zeljenka v Marko Andrejic | 0-6,2-6 |
| ITF M15 Rovinj | 2023/03/12 09:00 | Drazen Petrovic v Marko Andrejic | 6-3,3-6,10-6 |
| ITF M25 Pardubice | 2022/09/20 09:50 | Marko Andrejic v Yvo Panak | 3-6,6-3,7-10 |
| ITF M25 Pardubice | 2022/09/19 08:00 | Marko Andrejic v Jimmy Yang | 7-5,6-4 |
| ITF M25 Pardubice | 2022/09/18 08:00 | Marko Andrejic v Peter Kucera | 6-3,6-1 |
| Challenger Tulln | 2022/09/05 09:50 | Marko Andrejic v Lukas Klein | 5-7,4-6 |
| ITF M25 Opatija | 2023/03/21 09:30 | Dusan Obradovic v Federico Marchetti | 6-1,6-2 |
| ITF M25 Opatija | 2023/03/20 14:30 | Dusan Obradovic v Lorenzo Vatteroni | 5-7,6-2,10-6 |
| ITF M15 Rovinj | 2023/03/15 12:55 | Riccardo Balzerani v Dusan Obradovic | 6-3,7-5 |
| ITF M15 Rovinj | 2023/03/14 11:00 | Dusan Obradovic v Artem Podorozhnyi | 6-0,6-2 |
| ITF M15 Rovinj | 2023/03/13 10:30 | Dusan Obradovic v Simone Agostini | 7-6,7-6 |
| ITF M15 Rovinj | 2023/03/12 12:00 | Dusan Obradovic v Niklas Waldner | 6-1,6-2 |
| ITF M15 Monastir | 2023/01/10 12:25 | Sebastian Gima v Dusan Obradovic | 6-3,6-2 |
| ITF M15 Monastir | 2023/01/03 10:40 | Vladislav Ivanov v Dusan Obradovic | 4-6,6-3,6-4 |