Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Szczawno | 2023/08/27 07:00 | Karol Filar v Piotr Siekanowicz | 6-4,6-4 |
| ITF M25 Lodz | 2023/08/07 10:30 | Yann Wojcik v Karol Filar | 6-3,6-4 |
| 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 M15 Pescara | 2023/08/07 09:00 | Giorgio Ricca v Federico Marchetti | 7-6,6-4 |
| ITF M15 Pescara | 2023/08/06 12:00 | Michele Ribecai v Federico Marchetti | 3-6,1-6 |
| ITF M25 Bolzano | 2023/07/31 08:50 | Federico Marchetti v Maurus Malgiaritta | 6-1,1-6,4-10 |
| ITF M25 Bolzano | 2023/07/30 12:30 | Federico Marchetti v Cosimo Banti | 5-7,7-6,14-12 |
| ITF M15 Perugia | 2023/07/25 12:05 | Federico Marchetti v Andrea Bolla | 6-4,1-6,7-10 |
| ITF M15 Perugia | 2023/07/24 10:00 | Elio Jose Ribeiro Lago v Federico Marchetti | 6-7,1-6 |
| ITF M25 Padova | 2023/07/09 13:10 | Davide Galoppini v Federico Marchetti | 6-1,6-1 |
| ITF M25 Biella | 2023/07/04 13:50 | Federico Arnaboldi v Federico Marchetti | 7-6,7-5 |