Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Warmbad-Villach | 2021/08/20 10:10 | Alexander Weis v Aichhorn, Jakob | 6-1,0-6,6-2 |
| ITF M15 Warmbad-Villach | 2021/08/19 10:15 | Aichhorn, Jakob v Neil Oberleitner | 6-1,4-6,6-4 |
| ITF M15 Warmbad-Villach | 2021/08/18 11:05 | Aichhorn, Jakob v Ignacio Carou | 6-4,6-4 |
| ITF M15 Warmbad-Villach | 2021/08/15 07:00 | Aichhorn, Jakob v Lukas Rohseano | 6-0,6-0 |
| ITF M25 Telfs | 2021/07/13 09:40 | Aichhorn, Jakob v Daniel Paty | 4-6,3-6 |
| ITF M25 Telfs | 2021/07/12 09:10 | Aichhorn, Jakob v Julius Ratt | 6-4,7-6 |
| Challenger Salzburg | 2021/07/06 15:00 | Aichhorn, Jakob v Jiri Lehecka | 4-6,3-6 |
| ITF M15 Anif | 2020/08/26 10:00 | Aichhorn, Jakob v Enrico Dalla Valle | 2-6,2-6 |
| ITF M15 Bad Waltersdorf | 2021/08/23 14:45 | Lorenzo Vatteroni v Alessandro Pecci | 4-6,2-6 |
| ITF M15 Bad Waltersdorf | 2021/08/23 07:00 | Cacciapuoti, Simone v Alessandro Pecci | 2-6,1-6 |
| ITF M15 Pescara | 2021/08/15 07:30 | Alessandro Pecci v Manuel Mazza | 6-7,1-6 |
| ITF M25 Bolzano | 2021/08/03 14:10 | Raul Brancaccio v Alessandro Pecci | 6-3,6-3 |
| ITF M15 Perugia | 2021/07/23 12:00 | Alessandro Pecci v Gabriele Piraino | 7-6,6-7,1-6 |
| ITF M15 Perugia | 2021/07/22 13:50 | Alessandro Pecci v Luca Potenza | 7-5,2-6,6-3 |
| ITF M15 Perugia | 2021/07/21 13:00 | Juan Pablo Paz v Alessandro Pecci | 3-6,4-6 |
| ITF M15 Perugia | 2021/07/20 11:15 | Alessandro Pecci v Campo, Antonio | 6-2,7-5 |