Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Bad Waltersdorf | 2021/08/26 09:35 | Tomas Lipovsek Puches v Lukas Krainer | 3-6,4-6 |
| ITF M15 Bad Waltersdorf | 2021/08/25 10:55 | Tomas Lipovsek Puches v Sebastian Prechtel | 7-5,6-1 |
| ITF M15 Pescara | 2021/08/20 10:00 | Tomas Lipovsek Puches v Riccardo Balzerani | 6-4,2-6,3-6 |
| ITF M15 Pescara | 2021/08/19 12:45 | Tomas Lipovsek Puches v Giorgio Ricca | 6-2,7-6 |
| ITF M15 Pescara | 2021/08/18 14:00 | Tomas Lipovsek Puches v Francesco Vilardo | 7-6,6-4 |
| ITF M15 Perugia | 2021/07/23 12:30 | Tomas Lipovsek Puches v Marcello Serafini | 4-6,1-6 |
| ITF M15 Perugia | 2021/07/22 14:55 | Tomas Lipovsek Puches v Francesco Passaro | 1-6,6-3,6-3 |
| ITF M15 Perugia | 2021/07/21 09:45 | Tomas Lipovsek Puches v Mariano Navone | 6-3,6-2 |
| ITF M15 Bad Waltersdorf | 2021/08/23 07:00 | Niklas Rohrer v Fausto Tabacco | 7-6,6-1 |
| 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 |