Stadium: Court 1 Round: 28 Ground: Clay
| ITF M25 Poznań | 2021/08/27 09:30 | Alejo Lorenzo Lingua Lavallen v Roman Andres Burruchaga | 2-6,4-6 |
| ITF M25 Poznań | 2021/08/26 13:45 | Borys Zgola v Roman Andres Burruchaga | 1-6,4-6 |
| ITF M25 Poznań | 2021/08/25 13:10 | Roman Andres Burruchaga v Markus Eriksson | 6-2,6-1 |
| ITF M15 Łódź | 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 M25 Poznań | 2021/08/27 09:30 | Matias Zukas v Michal Mikula | 6-3,6-1 |
| ITF M25 Poznań | 2021/08/26 14:50 | Matias Zukas v Leonardo Aboian | 6-4,2-6,6-2 |
| ITF M25 Poznań | 2021/08/25 12:50 | Matias Zukas v Marcelo Zormann | 6-3,4-6,7-6 |
| ITF M25 Bacău | 2021/08/20 08:00 | Matias Zukas v Vladyslav Orlov | 2-6,3-6 |
| ITF M25 Bacău | 2021/08/19 09:00 | Moez Echargui v Matias Zukas | 1-6,2-6 |
| ITF M25 Bacău | 2021/08/18 07:00 | Vlad Andrei Dancu v Matias Zukas | 6-7,0-6 |
| ITF M15 Curtea de Argeș | 2021/08/14 08:00 | Matias Zukas v Stefan Palosi | 6-4,0-6,3-6 |
| ITF M15 Curtea de Argeș | 2021/08/13 10:55 | Calin Manda v Matias Zukas | 0-6,7-5,1-6 |