Stadium: Court 2 Round: 27 Ground: Clay
| ITF M25 Poznan | 2021/08/26 09:00 | Sebastian Gima v Alejo Lorenzo Lingua Lavallen | 3-6,2-6 |
| ITF M25 Poznan | 2021/08/25 09:50 | Alejo Lorenzo Lingua Lavallen v Filip Kolasinski | 6-7,6-1,6-1 |
| 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 M25 Poznan | 2021/08/26 13:45 | Borys Zgola v Roman Andres Burruchaga | 1-6,4-6 |
| ITF M25 Poznan | 2021/08/25 13:10 | Roman Andres Burruchaga v Markus Eriksson | 6-2,6-1 |
| ITF M15 Lodz | 2021/08/18 09:30 | Roman Andres Burruchaga v Szymon Kielan | 6-7,3-6 |
| ITF M15 Gdynia | 2021/08/15 10:00 | Filip Peliwo v Roman Andres Burruchaga | 7-6,6-7,1-6 |
| ITF M15 Gdynia | 2021/08/14 09:30 | Alexis Musialek v Roman Andres Burruchaga | 1-6,3-6 |
| ITF M15 Gdynia | 2021/08/13 09:00 | Roman Andres Burruchaga v Daniel De Jonge | 7-6,6-1 |
| ITF M15 Gdynia | 2021/08/12 12:35 | Pol Toledo Bague v Roman Andres Burruchaga | 2-6,3-6 |
| ITF M15 Gdynia | 2021/08/11 08:00 | Roman Andres Burruchaga v Martyn Pawelski | 6-3,6-2 |