Stadium: Court 5 Round: 44 Ground: Clay
| ITF M15 Szczawno | 2023/08/27 07:00 | Karol Filar v Piotr Siekanowicz | 6-4,6-4 |
| ITF M25 Bielsko Biala | 2023/08/14 12:00 | Matyas Cerny v Piotr Siekanowicz | 6-7,6-1,10-6 |
| ITF M25 Bielsko Biala | 2023/08/14 07:30 | Piotr Siekanowicz v Vaise, Tomas | 6-4,4-6,10-4 |
| ITF M25 Lodz | 2023/08/08 11:05 | Piotr Grynkowski v Piotr Siekanowicz | 6-4,6-1 |
| ITF M25 Lodz | 2023/08/08 07:30 | Piotr Siekanowicz v Gabriel Matuszewski | 1-6,7-6,10-6 |
| ITF M25 Lodz | 2023/08/07 10:30 | Piotr Siekanowicz v Jakub Solarski | 6-0,6-2 |
| ITF M15 Szczawno | 2023/08/28 10:00 | Terczynski, Mateusz v Michalis Sakellaridis | 6-3,6-4 |
| ITF M15 Szczawno | 2023/08/27 09:30 | Michalis Sakellaridis v Eskander Guryev | 6-1,5-7,12-10 |
| ITF M25 Poznan | 2023/08/23 14:50 | Lorenzo Joaquin Rodriguez v Michalis Sakellaridis | 6-1,7-6 |
| ITF M25 Poznan | 2023/08/22 09:00 | Martin Zeljenka v Michalis Sakellaridis | 6-0,6-4 |
| ITF M25 Poznan | 2023/08/21 11:00 | Michalis Sakellaridis v Wojcik, Yann | 6-2,3-6,10-4 |
| ITF M25 Bielsko Biala | 2023/08/14 11:30 | Norbert Marosik v Michalis Sakellaridis | 7-5,6-0 |
| ITF M25 Lodz | 2023/08/07 10:30 | Michalis Sakellaridis v Juliusz Bienkiewicz | 6-7,1-6 |
| ITF M25 Wetzlar | 2023/07/31 11:30 | Max Wiskandt v Michalis Sakellaridis | 6-2,6-2 |