| 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 Copenhagen | 2023/02/15 07:00 | Wadym Konowczuk v Jakub Ostajewski | 4-6,1-6 |
| UTR Pro Copenhagen | 2023/02/13 12:45 | Ivan Sodan v Jakub Ostajewski | 6-3,7-6 |
| ITF M15 Palm Coast | 2023/02/06 16:30 | Jakub Ostajewski v Benjamin Denis Alarcon | 4-6,3-6 |
| ITF M25 Wesley Chapel | 2023/01/23 14:45 | Thomas Brown v Jakub Ostajewski | 6-3,6-1 |
| ITF M25 Malibu | 2023/01/02 17:00 | Alex Kuperstein v Jakub Ostajewski | 7-6,6-2 |
| UTR Pro Tennis Series Montrouge | 2022/11/13 08:00 | Rayane Roumane v Vladimir Filip | 0-6,2-5 |
| UTR Pro Tennis Series Montrouge | 2022/11/12 07:00 | Nathan Guiovanna v Vladimir Filip | 2-6,4-6 |
| UTR Pro Tennis Series Montrouge | 2022/11/10 10:00 | Vladimir Filip v Warren Sinius | 6-1,6-2 |
| UTR Pro Tennis Series Montrouge | 2022/11/09 11:30 | Vladimir Filip v Andres Gabriel Ciurletti | 3-6,3-6 |
| UTR Pro Tennis Series Montrouge | 2022/11/08 07:00 | Vladimir Filip v Mathieu Perchicot | 6-3,2-6,5-7 |
| UTR Pro Tennis Series Montrouge | 2022/11/07 10:00 | Vladimir Filip v Hugo Pierre | 4-6,3-6 |
| UTR Pro Tennis Series Belgrade | 2022/10/15 06:00 | Christos Keisidis v Vladimir Filip | 7-6,6-0 |
| UTR Pro Tennis Series Belgrade | 2022/10/14 09:00 | Strahinja Rakic v Vladimir Filip | 0-6,6-1,7-5 |