Stadium: Court 1 - Center Round: 54 Ground: Clay
| ITF M25 Caslano | 2021/08/23 08:00 | Patric Prinoth v Joao Riquelme | 2-6,6-4,6-10 |
| ITF M25 Caslano | 2021/08/23 09:30 | Gabriele Datei v Petro Orlando Fellin | 1-6,7-6,2-10 |
| ITF M25 Ueberlingen | 2021/08/17 09:20 | Petro Orlando Fellin v Florian Broska | 6-4,1-6,8-10 |
| ITF M15 Parnu | 2021/08/04 12:30 | Michal Mikula v Petro Orlando Fellin | 6-2,6-0 |
| ITF M15 Parnu | 2021/08/03 07:00 | Christoffer Solberg v Petro Orlando Fellin | 3-6,4-6 |
| ITF M15 Parnu | 2021/08/02 09:30 | Oskar Antinheimo v Petro Orlando Fellin | 5-7,3-6 |
| ITF M15 Vejle | 2021/07/28 10:10 | Jonathan Mridha v Petro Orlando Fellin | 6-3,0-6,6-4 |
| ITF M15 Vejle | 2021/07/26 07:55 | Philip Hjorth v Petro Orlando Fellin | 6-7,6-4,7-10 |
| ITF M15 Monastir | 2020/09/27 10:00 | Yaraslav Shyla v Petro Orlando Fellin | 6-7,6-2,10-7 |