Stadium: Hard 20 Round: 62 Ground: Hardcourt outdoor
| 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 M15 Pirot | 2023/09/04 10:00 | Lazar Vojinovic v Nazar Oliynykov | 6-3,6-3 |
| ITF M15 Pirot | 2023/09/03 11:30 | Shendrit Deari v Nazar Oliynykov | 3-6,6-3,8-10 |
| ITF M25 Osijek | 2023/08/07 12:15 | Nazar Oliynykov v Jaka Protic Zakelj | 1-6,5-7 |
| ITF M15 Heraklion | 2023/11/15 08:00 | Dimitris Sakellaridis v Younes Lalami Laaroussi | 6-2,4-6,6-7 |
| ITF M25 Heraklion | 2023/11/07 07:30 | Sergis Kyratzis v Dimitris Sakellaridis | 4-6,6-4,10-4 |
| ITF M25 Heraklion | 2023/11/06 07:00 | Dimitris Sakellaridis v Lior Goldenberg | 6-3,6-4 |
| ITF M25 Heraklion | 2023/11/05 09:00 | Ivan Sergeyev v Dimitris Sakellaridis | 3-6,3-6 |
| ITF M25 Heraklion | 2023/11/01 07:00 | Dimitris Sakellaridis v Sidane Pontjodikromo | 2-6,2-6 |
| ITF M25 Heraklion | 2023/10/31 06:55 | Yan Sabanin v Dimitris Sakellaridis | 6-4,1-6,9-11 |
| ITF M25 Heraklion | 2023/10/30 07:00 | Kevin Edengren v Dimitris Sakellaridis | 4-6,3-6 |
| ITF M15 Heraklion | 2023/10/23 06:30 | Niels Visker v Dimitris Sakellaridis | 6-2,2-6,10-8 |