Stadium: Hard 20 Round: 62 Ground: Hardcourt outdoor
| ITF M25 - Heraklion | 2023/11/12 07:00 | Mateusz Kulakowski v Elias Julian Werner | 5-7,6-2,10-4 |
| ITF M15 - Koszalin | 2023/09/03 09:00 | Adam Bajurko v Mateusz Kulakowski | 6-1,6-3 |
| ITF M15 - Szczawno | 2023/08/27 15:00 | Adrian Andrzejczuk v Mateusz Kulakowski | 2-6,6-4,10-8 |
| ITF M25 - Poznan | 2023/08/20 12:00 | Przemyslaw Michocki v Mateusz Kulakowski | 6-3,6-2 |
| ITF M25 - Bielsko Biala | 2023/08/14 10:30 | Mateusz Kulakowski v Pijus Vaitiekunas | 4-6,6-2,7-10 |
| ITF M25 - Bielsko Biala | 2023/08/13 12:30 | Milosz Sroka v Mateusz Kulakowski | 5-7,2-6 |
| ITF M25 - Lodz | 2023/08/07 07:30 | Maciej Matuszczyk v Mateusz Kulakowski | 3-6,6-3,10-7 |
| ITF M25 - Castelo Branco | 2023/07/17 12:00 | Mateusz Kulakowski v Guillaume Dalmasso | 2-6,3-6 |
| 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 M25 - Osijek | 2023/08/06 10:00 | Peter Nad v Nazar Oliynykov | 2-6,6-1,5-10 |
| ITF M15 - Novi Sad | 2023/08/01 11:35 | Sergei Pogosian v Nazar Oliynykov | 6-1,6-2 |
| ITF M15 - Novi Sad | 2023/08/01 07:30 | Nazar Oliynykov v Marko Andrejic | 7-5,6-1 |