Ground: Hardcourt outdoor
| 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 |
| ITF M25 Heraklion | 2023/11/14 07:30 | Benjamin Pietri v Nazar Oliynykov | 6-1,6-3 |
| ITF M25 Heraklion | 2023/11/13 08:30 | Mateusz Kulakowski v Nazar Oliynykov | 1-6,7-5,3-10 |
| ITF M25 Heraklion | 2023/10/29 07:00 | Nazar Oliynykov v Kevin Edengren | 2-6,0-6 |
| ITF M15 Heraklion | 2023/10/22 11:00 | Eleftherios Neos v Nazar Oliynykov | 3-6,6-3,13-11 |
| ITF M25 Trnava | 2023/11/06 14:00 | Sander Jong v Janos Fekete | 6-3,6-3 |
| UTR Pro Zadar | 2023/10/22 18:19 | Janos Fekete v Christos Keisidis | 6-4,2-6,4-0 |
| UTR Pro Zadar | 2023/10/22 12:35 | Janos Fekete v Filip Krolo | 6-1,6-3 |
| UTR Pro Zadar | 2023/10/20 06:00 | Maciej Rajski v Janos Fekete | 6-4,0-6,7-6 |
| UTR Pro Zadar | 2023/10/19 08:38 | Razvan Baiant v Janos Fekete | 5-7,0-6 |
| UTR Pro Zadar | 2023/10/18 06:00 | Alen Moritz Hodzic v Janos Fekete | 4-6,3-6 |
| UTR Pro Zadar | 2023/10/16 07:30 | Nik Mikovic v Janos Fekete | 5-7,4-5 |
| UTR Pro Beograd | 2023/10/15 06:00 | Domagoj Biljesko v Janos Fekete | 5-7,4-6 |