Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Antalya | 2023/04/04 09:30 | Svyatoslav Gulin v Marko Andrejic | 6-2,7-5 |
| ITF M15 Antalya | 2023/04/03 08:30 | Federico Mirgone v Marko Andrejic | 0-6,1-6 |
| ITF M15 Antalya | 2023/04/02 07:00 | Frederic Schlossmann v Marko Andrejic | 6-7,2-6 |
| ITF M15 Opatija | 2023/03/22 14:15 | Marko Andrejic v Dusan Obradovic | 4-6,2-6 |
| 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 M15 Antalya | 2023/04/07 09:20 | Dragos Nicolae Madaras v Denis Klok | 6-0,6-3 |
| ITF M15 Antalya | 2023/04/05 07:20 | Mircea-Alexandru Jecan v Denis Klok | 3-6,4-6 |
| ITF M15 Antalya | 2023/04/04 08:45 | Denis Klok v Tommaso Carnevale-Miino | 6-2,6-2 |
| ITF M15 Antalya | 2023/04/03 08:55 | Denis Klok v Manuel Plunger | 6-3,6-4 |
| ITF M15 Antalya | 2023/04/02 07:00 | Denis Klok v Stepan Mruzek | 6-2,6-1 |
| ITF M15 Antalya | 2023/03/29 07:30 | Mert Alkaya v Denis Klok | 6-2,7-6 |
| ITF M15 Kish Island | 2023/03/19 07:15 | Denis Klok v Hazem Naw | 3-6,6-1,6-3 |
| ITF M15 Kish Island | 2023/03/18 07:15 | Denis Klok v Andrea Bacaloni | 6-4,1-6,7-5 |