| UTR Pro Thessaloniki | 2023/04/28 08:00 | Jakub Ostajewski v Enrique Bogo | 6-2,1-6,3-6 |
| UTR Pro Thessaloniki | 2023/04/26 05:00 | Jakub Ostajewski v Christos Antonopoulos | 2-6,0-6 |
| UTR Pro Thessaloniki | 2023/04/25 09:08 | Jakub Ostajewski v Vladimir Filip | 2-6,1-6 |
| UTR Pro Thessaloniki | 2023/04/24 05:00 | Mihai Razvan Marinescu v Jakub Ostajewski | 6-3,5-0 |
| UTR Pro Florida | 2023/04/02 13:00 | Azariah Rusher v Jakub Ostajewski | 3-6,6-7 |
| UTR Pro Copenhagen | 2023/02/18 07:00 | Jakub Ostajewski v Cornelius Alexander Shalmi | 2-6,4-6 |
| UTR Pro Copenhagen | 2023/02/17 08:30 | Hugo Pierre v Jakub Ostajewski | 6-0,6-0 |
| UTR Pro Copenhagen | 2023/02/16 12:00 | Igor Skoric v Jakub Ostajewski | 1-6,1-6 |
| UTR Pro Thessaloniki | 2023/04/28 05:00 | Jiri Jenicek v Besir Durguti | 6-4,6-1 |
| UTR Pro Thessaloniki | 2023/04/27 05:00 | Matija Samardzic v Besir Durguti | 6-2,5-1 |
| UTR Pro Thessaloniki | 2023/04/25 06:30 | Evangelos Kypriotis v Besir Durguti | 5-7,6-1,6-2 |
| UTR Pro Thessaloniki | 2023/04/24 08:00 | Besir Durguti v Stefan A Andreescu | 2-6,2-6 |
| UTR Pro Dubai | 2023/02/11 06:30 | Mikalai Haliak v Besir Durguti | 2-0 |
| UTR Pro Dubai | 2023/02/10 05:00 | Besir Durguti v Michalis Sakellaridis | 6-7,2-6 |
| UTR Pro Dubai | 2023/02/08 07:07 | Besir Durguti v Valentin Vanta | 1-6,0-5 |
| UTR Pro Dubai | 2023/02/06 08:00 | Hugo Pierre v Besir Durguti | 6-2,6-1 |