Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| Challenger Ortisei | 2021/11/07 15:10 | Patric Prinoth v Aldin Setkic | 1-6,2-6 |
| ITF M15 Selva Gardena | 2021/10/26 12:45 | Patric Prinoth v Samuel Vincent Ruggeri | 4-6,6-7 |
| ITF M15 Bad Waltersdorf | 2021/08/29 07:00 | Lukas Rohseano v Patric Prinoth | 6-3,3-6,13-11 |
| ITF M25 Caslano | 2021/08/23 08:00 | Patric Prinoth v Joao Riquelme | 2-6,6-4,6-10 |
| ITF M15 Warmbad-Villach | 2021/08/15 15:30 | Leonardo Taddia v Patric Prinoth | 6-4,6-0 |
| ITF M25 Telfs | 2021/07/12 11:50 | Patric Prinoth v Martins Rocens | 3-6,7-5,4-10 |
| ITF M15 Gaiba | 2021/06/07 12:30 | Patric Prinoth v Federico Bertuccioli | 4-6,4-6 |
| ITF M25 Meerbusch | 2021/04/12 13:00 | Marvin Netuschil v Patric Prinoth | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2021/11/01 07:00 | Zachary Eisinga v Sebastian Sorger | 6-4,6-1 |
| ITF M15 Sharm El Sheikh | 2021/10/31 08:00 | Sebastian Sorger v Jesse De Jager | 6-4,3-6,11-9 |
| ITF M15 Sharm El Sheikh | 2021/10/25 07:00 | Sebastian Sorger v Gian M Di Natale | 7-6,2-6,9-11 |
| ITF M15 Sharm El Sheikh | 2021/10/24 08:00 | Sebastian Sorger v Akram El Sallaly | 6-1,6-3 |
| ITF M15 Sharm El Sheikh | 2021/10/20 12:55 | Lukas Pokorny v Sebastian Sorger | 6-2,7-6 |