Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Szczawno | 2023/08/30 14:10 | Valerio Perruzza v Szymon Kielan | 6-1,6-1 |
| ITF M15 Trier | 2023/08/24 11:00 | Valerio Perruzza v Yvo Panak | 6-7,5-7 |
| ITF M15 Trier | 2023/08/22 11:00 | Valerio Perruzza v Antonio, Joao | 6-4,6-0 |
| ITF M15 Hyvinkaa | 2023/08/04 08:35 | Iiro Vasa v Valerio Perruzza | 6-7,6-1,6-0 |
| ITF M15 Hyvinkaa | 2023/08/03 11:00 | Valerio Perruzza v Gabriele Maria Noce | 7-5,6-4 |
| ITF M15 Hyvinkaa | 2023/08/01 07:00 | Valerio Perruzza v Tiainen, Hermanni | 6-0,6-1 |
| ITF M15 Hyvinkaa | 2023/07/31 09:30 | Valerio Perruzza v Martins Rocens | 6-2,6-1 |
| ITF M25 Bacau | 2023/07/27 07:55 | Valerio Perruzza v Radu Mihai Papoe | 0-6,2-6 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/05 07:30 | Piotr Kusiewicz v Piotr Siekanowicz | 5-7,7-6,8-10 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 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 Baklanov, Egor | 7-6,5-7,8-10 |
| ITF M25 Kramsach | 2023/07/24 09:00 | Piotr Kusiewicz v Ivan Kremenchutskyi | 2-6,1-6 |