| Challenger Liberec | 2023/07/30 10:50 | Toby Alex Kodat v Oleg Prihodko | 6-4,6-4 |
| ITF M25 Bacau | 2023/07/28 07:00 | Hernan Casanova v Oleg Prihodko | 3-6,6-3,7-6 |
| ITF M25 Bacau | 2023/07/27 09:45 | Valentin Vanta v Oleg Prihodko | 3-6,6-2,2-6 |
| ITF M25 Bacau | 2023/07/26 14:40 | Ioan A Teglas v Oleg Prihodko | 6-4,2-6,0-6 |
| Challenger Amersfoort | 2023/07/16 13:05 | Alex M Pujolras v Oleg Prihodko | 6-4,7-6 |
| UTR Pro Olomouc | 2023/07/09 08:38 | Oleg Prihodko v Dominik Suc | 6-1,0-0 |
| UTR Pro Olomouc | 2023/07/08 07:30 | Oleg Prihodko v Anthony Wright | 6-0,6-2 |
| UTR Pro Olomouc | 2023/07/06 06:00 | Oleg Prihodko v Artem Podorozhnyi | 3-6,6-2,6-1 |
| ITF M15 Nyiregyhaza | 2023/06/07 11:00 | Luca Wiedenmann v Karol Filar | 6-2,6-2 |
| ITF M15 Nyiregyhaza | 2023/06/05 13:30 | Sean Hess v Karol Filar | 6-1,3-6,13-15 |
| ITF M15 Nyiregyhaza | 2023/06/05 09:30 | Karol Filar v Benjamin Denis Alarcon | 6-0,6-3 |
| ITF M15 Kursumlijska Banja | 2023/04/24 10:35 | Sergei Pogosian v Karol Filar | 7-5,6-3 |
| ITF M15 Kursumlijska Banja | 2023/04/23 09:00 | Karol Filar v Dmitrii Vasilev | 6-1,4-6,12-10 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 11:40 | Philip Bachmaier v Karol Filar | 6-2,6-3 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 16:55 | Karol Filar v Bartlomiej Andrzejczak | 6-2,6-2 |