Stadium: Court 3 Round: 62 Ground: Clay
| ITF M15 Nyiregyhaza | 2023/06/05 10:30 | Ivan Kremenchutskyi v Piotr Kusiewicz | 6-3,6-2 |
| ITF M15 Constanta | 2023/05/28 10:00 | Borys Zgola v Piotr Kusiewicz | 6-2,6-3 |
| ITF M25 Trnava | 2023/03/28 09:45 | Dominik Recek v Piotr Kusiewicz | 6-4,6-3 |
| ITF M25 Trnava | 2023/03/27 13:00 | Lukas Janousek v Piotr Kusiewicz | 4-6,1-6 |
| ITF M15 Rovinj | 2023/03/12 09:00 | Obrad Markovski v Piotr Kusiewicz | 6-3,6-2 |
| ITF M15 Porec | 2023/03/05 11:30 | Tim Heger v Piotr Kusiewicz | 6-3,7-5 |
| ITF M25 Doha | 2023/01/15 15:05 | Arslanbek Aitkulov v Piotr Kusiewicz | 6-3,6-2 |
| ITF M15 Doha | 2023/01/12 13:20 | Piotr Kusiewicz v Yanki Erel | 1-6,0-6 |
| ITF M15 Nyiregyhaza | 2023/06/05 09:30 | Adam Blecha v Igor Dudun | 2-6,1-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/29 10:30 | Adam Blecha v Mariano Dedura-Palomero | 3-6,1-6 |
| ITF M15 Meerbusch | 2023/04/23 10:30 | Adam Blecha v Aliaksandr Bulitski | 2-6,1-6 |
| ITF M15 Sharm El Sheikh | 2023/04/03 08:30 | Adam Blecha v Daniil Savelev | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2023/03/28 11:05 | Millen Hurrion v Adam Blecha | 6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2023/03/27 10:30 | Ioan A Teglas v Adam Blecha | 6-2,5-7,9-11 |
| ITF M15 Sharm El Sheikh | 2023/03/26 08:00 | Paulo Knippling v Adam Blecha | 0-6,3-6 |
| ITF M25 Opatija | 2023/03/19 10:30 | Andrej Nedic v Adam Blecha | 6-3,6-2 |