Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 - Lodz | 2021/08/19 08:00 | Alejo Lorenzo Lingua Lavallen v Yann Wojcik | 6-7,6-2,5-7 |
| ITF M15 - Lodz | 2021/08/18 10:05 | Alejo Lorenzo Lingua Lavallen v Harry Wendelken | 6-2,4-6,6-4 |
| ITF M15 - Gdynia | 2021/08/13 11:05 | Filip Peliwo v Alejo Lorenzo Lingua Lavallen | 6-1,6-4 |
| ITF M15 - Gdynia | 2021/08/12 08:00 | Alejo Lorenzo Lingua Lavallen v Wojciech Marek | 3-6,6-3,6-3 |
| ITF M15 - Gdynia | 2021/08/11 08:00 | Alejo Lorenzo Lingua Lavallen v George Loffhagen | 6-3,6-2 |
| ITF M15 - Cairo | 2021/08/06 08:00 | Alejo Lorenzo Lingua Lavallen v Stefano Battaglino | 6-4,4-6,0-6 |
| ITF M15 - Cairo | 2021/08/05 07:45 | Alejo Lorenzo Lingua Lavallen v Fares Zakaria | 6-1,7-5 |
| ITF M15 - Cairo | 2021/08/04 09:20 | Alejo Lorenzo Lingua Lavallen v Daniel Bagnolini | 6-2,6-0 |
| ITF M15 - Lodz | 2021/08/19 11:05 | Filip Kolasinski v Pawel Juszczak | 6-3,2-6,2-6 |
| ITF M15 - Gdynia | 2021/08/10 08:00 | Roman Andres Burruchaga v Filip Kolasinski | 6-2,6-4 |
| ITF M15 - Gdynia | 2021/08/09 08:00 | Gianni Ross v Filip Kolasinski | 7-6,1-6,9-11 |
| ITF M25 - Grodzisk Mazowiecki | 2021/08/03 12:30 | Toby Alex Kodat v Filip Kolasinski | 6-0,6-2 |
| ITF M25 - Poznan | 2020/08/27 10:30 | Filip Kolasinski v Vit Kopriva | 4-6,3-6 |
| ITF M25 - Poznan | 2020/08/26 09:55 | Filip Kolasinski v Pawel Juszczak | 6-2,0-6,6-3 |
| ITF M25 - Poznan | 2020/08/25 07:50 | Filip Kolasinski v Nikolas Lahky | 6-4,6-3 |
| ITF M25 - Poznan | 2020/08/24 11:00 | Filip Kolasinski v Zdenek Derkas | 6-0,6-0 |