Stadium: Court 14 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Koszalin | 2023/09/06 07:30 | Valerio Perruzza v Piotr Kusiewicz | 6-1,6-4 |
| ITF M15 Koszalin | 2023/09/05 07:30 | Piotr Kusiewicz v Piotr Siekanowicz | 5-7,7-6,8-10 |
| ITF M15 Koszalin | 2023/09/04 09:00 | Piotr Kusiewicz v Alexander C Parker | 7-6,6-3 |
| ITF M15 Szczawno | 2023/08/28 17:45 | Piotr Kusiewicz v Gabriel Matuszewski | 6-4,3-6,5-10 |
| ITF M15 Szczawno | 2023/08/28 09:40 | Piotr Kusiewicz v Marcel Dzielo | 6-1,7-5 |
| ITF M25 Poznan | 2023/08/21 12:55 | Przemyslaw Michocki v Piotr Kusiewicz | 6-4,6-2 |
| ITF M25 Bielsko Biala | 2023/08/14 10:30 | Piotr Kusiewicz v Andrea Meduri | 1-6,2-6 |
| ITF M25 Lodz | 2023/08/07 07:30 | Piotr Kusiewicz v Egor Baklanov | 7-6,5-7,8-10 |
| ITF M25 Pazardzhik | 2023/10/04 08:40 | Matej Dodig v Benoit Torcq | 6-3,6-4 |
| ITF M25 Pazardzhik | 2023/10/02 10:30 | Benoit Torcq v Andrea Meduri | 7-5,1-6,10-6 |
| ITF M25 Pazardzhik | 2023/10/02 06:30 | Michalis Sakellaridis v Benoit Torcq | 1-6,4-6 |
| ITF M25 Pazardzhik | 2023/10/01 10:00 | George Lazarov v Benoit Torcq | 6-1,4-6,5-10 |
| ITF M15 Huy | 2023/08/20 13:30 | Henry Lieberman v Benoit Torcq | 3-6,6-3,10-8 |
| ITF M25 Koksijde | 2023/08/13 11:35 | Benoit Torcq v Lars Goran Verwerft | 4-6,6-7 |