Stadium: Court 6 Round: 44 Ground: Clay
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | Niklas Rohrer v Luca Castagnola | 6-7,6-2,10-7 |
| ITF M15 Warmbad-Villach | 2021/08/17 13:25 | Matteo Donati v Niklas Rohrer | 6-3,6-3 |
| ITF M25 Kottingbrunn | 2021/07/19 11:50 | Calin Manda v Niklas Rohrer | 6-2,6-3 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Simon Habsuda v Niklas Rohrer | 1-6,5-7 |
| ITF M25 Telfs | 2021/07/12 12:05 | Lukas Palovic v Niklas Rohrer | 6-4,6-3 |
| ITF M25 Telfs | 2021/07/11 09:00 | Christian Fellin v Niklas Rohrer | 2-6,3-6 |
| ITF M25 Most | 2021/05/24 08:00 | Kai Lemstra v Niklas Rohrer | 6-3,6-2 |
| ITF M25 Most | 2021/05/23 08:00 | Niklas Rohrer v Lukas Pokorny | 7-6,6-3 |
| ITF M15 Pescara | 2021/08/19 09:10 | Fausto Tabacco v Arthur Reymond | 2-6,1-6 |
| ITF M15 Pescara | 2021/08/18 11:20 | Marco Miceli v Fausto Tabacco | 2-6,6-2,5-7 |
| ITF M15 Pescara | 2021/08/16 13:00 | Federico Campana v Fausto Tabacco | 6-3,4-6,0-10 |
| ITF M15 Pescara | 2021/08/16 07:15 | Fausto Tabacco v Pietro Marino | 7-5,6-0 |
| ITF M15 Pescara | 2021/08/15 07:15 | Stefano Baldoni v Fausto Tabacco | 3-6,2-6 |
| ITF M15 Xativa | 2021/08/05 07:55 | Francesco Passaro v Fausto Tabacco | 6-2,6-1 |
| ITF M15 Xativa | 2021/08/04 08:40 | Andrey Chepelev v Fausto Tabacco | 6-7,7-5,6-7 |
| ITF M15 Xativa | 2021/08/03 07:00 | Zakhar Trapeznikov v Fausto Tabacco | 6-3,1-6,1-10 |