| UTR Pro Athens | 2023/12/13 10:38 | Nazar Oliynykov v Janos Fekete | 1-6,1-6 |
| UTR Pro Athens | 2023/12/12 06:00 | Nazar Oliynykov v Ivan Denisov | 3-6,6-1,6-4 |
| UTR Pro Athens | 2023/12/11 11:00 | Dimosthenis Taramonlis v Nazar Oliynykov | 6-0,6-0 |
| ITF M25 Heraklion | 2023/11/27 08:00 | Thomas Mathys v Nazar Oliynykov | 6-2,3-6,10-4 |
| ITF M15 Heraklion | 2023/11/22 12:00 | Mili Poljicak v Nazar Oliynykov | 6-1,6-0 |
| ITF M15 Heraklion | 2023/11/21 07:00 | Nazar Oliynykov v Thomas Kostka | 7-6,7-5 |
| ITF M15 Heraklion | 2023/11/20 11:00 | Nazar Oliynykov v Dimitris Sakellaridis | 6-0,6-0 |
| ITF M15 Heraklion | 2023/11/19 11:00 | Denis Constantin Spiridon v Nazar Oliynykov | 6-1,3-6,5-10 |