Stadium: Court 4 Round: 62 Ground: Clay
| 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 Prijedor | 2023/05/14 06:30 | Dzenan Bakovic v Nazar Oliynykov | 1-6,0-6 |
| ITF M15 Heraklion | 2022/10/30 10:30 | Imran Sibille v Nazar Oliynykov | 6-1,6-3 |
| ITF M15 Heraklion | 2022/10/24 08:00 | Nazar Oliynykov v Imran Sibille | 2-6,0-6 |
| 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 |
| ITF M15 Kursumlijska Banja | 2023/05/01 11:40 | Marko Andrejic v Stijn Pel | 6-2,7-6 |
| ITF M15 Kursumlijska Banja | 2023/04/27 07:00 | Marko Andrejic v Denis Klok | 2-6,4-6 |
| ITF M15 Kursumlijska Banja | 2023/04/26 10:00 | Marko Andrejic v Tarik Bajrovic | 6-4,6-2 |