Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2023/07/25 09:35 | Pavel Verbin v Nazar Oliynykov | 6-1,6-3 |
| ITF M15 Novi Sad | 2023/07/24 11:05 | Nazar Oliynykov v Radomir Tomic | 7-5,6-2 |
| ITF M15 Novi Sad | 2023/07/23 13:00 | Samuel Paulovcak v Nazar Oliynykov | 3-6,4-6 |
| ITF M15 Brcko | 2023/05/22 07:30 | Nazar Oliynykov v Stevan Popovic | 7-5,3-6,10-7 |
| ITF M15 Brcko | 2023/05/21 11:00 | Milos Milakovic v Nazar Oliynykov | 1-6,3-6 |
| ITF M15 Prijedor | 2023/05/18 13:20 | Tarik Bajrovic v Nazar Oliynykov | 6-4,2-6,10-7 |
| ITF M15 Prijedor | 2023/05/18 07:00 | Nazar Oliynykov v Drazen Petrovic | 6-2,6-4 |
| ITF M15 Prijedor | 2023/05/17 09:15 | Vladislav Ivanov v Nazar Oliynykov | 5-7,4-6 |
| ITF M15 Belgrade | 2023/06/26 12:00 | Louis Tessa v Marko Andrejic | 6-1,6-1 |
| ITF M15 Belgrade | 2023/06/25 09:30 | Andrej Radojicic v Marko Andrejic | 4-6,1-6 |
| ITF M25 Kursumlijska Banja | 2023/06/05 15:10 | Marko Andrejic v Stefan Cizelj-Zivkovic | 3-6,3-6 |
| ITF M15 Warmbad-Villach | 2023/05/23 08:50 | Sebastian Fanselow v Marko Andrejic | 6-0,6-2 |
| ITF M25 Kursumlijska Banja | 2023/05/10 12:05 | Marko Andrejic v Andrey Chepelev | 3-6,6-7 |
| ITF M25 Kursumlijska Banja | 2023/05/09 10:10 | Marko Andrejic v Maxim Krapivin | 6-7,0-6 |
| ITF M25 Kursumlijska Banja | 2023/05/08 08:40 | Marko Andrejic v Luka Todorovic | 6-2,6-2 |
| ITF M15 Kursumlijska Banja | 2023/05/02 07:00 | Marko Andrejic v Simone Agostini | 1-6,6-1,4-10 |