Stadium: Court 3 Round: 54 Ground: Carpet indoor
| ITF M15 Ostrava | 2021/11/21 14:30 | Buvaysar Gadamauri v Dominik Langmajer | 7-6,6-2 |
| ITF M15 Opava | 2021/11/14 12:30 | Ying Hou v Dominik Langmajer | 6-4,6-4 |
| ITF M15 Selva Gardena | 2021/10/25 12:00 | Yannik Steinegger v Dominik Langmajer | 6-1,6-4 |
| ITF M15 Selva Gardena | 2021/10/24 17:10 | Paolo Schiavone v Dominik Langmajer | 5-7,1-6 |
| ITF M25 Prague | 2021/10/03 13:00 | Matyas Cerny v Dominik Langmajer | 7-6,6-1 |
| ITF M15 Forbach | 2021/09/26 08:45 | Warren Sinius v Dominik Langmajer | 6-0,6-0 |
| UTR Pro Tennis Series Ricany | 2021/09/12 10:30 | Michalis Sakellaridis v Dominik Langmajer | 6-2,5-2 |
| UTR Pro Tennis Series Ricany | 2021/09/11 07:30 | Dominik Langmajer v Alec Adamson | 3-6,6-3,6-3 |
| ITF M25 Pretoria | 2021/09/27 08:40 | Tadija Radovanovic v Leonardo Taddia | 6-2,6-3 |
| ITF M25 Pretoria | 2021/09/26 07:00 | Brandon Levendale v Leonardo Taddia | 0-6,1-6 |
| ITF M15 Bad Waltersdorf | 2021/09/01 09:10 | Omar Giacalone v Leonardo Taddia | 6-2,6-3 |
| ITF M15 Bad Waltersdorf | 2021/08/31 08:20 | Leonardo Taddia v Luca Castagnola | 6-2,4-6,10-6 |
| ITF M15 Bad Waltersdorf | 2021/08/30 09:00 | Leonardo Taddia v Mattia Ghedin | 4-6,6-2,11-9 |
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | Ignacio Carou v Leonardo Taddia | 6-4,7-6 |
| ITF M15 Warmbad-Villach | 2021/08/17 12:00 | Leonardo Taddia v Giacomo Revelli | 4-6,1-6 |
| ITF M15 Warmbad-Villach | 2021/08/15 15:30 | Leonardo Taddia v Patric Prinoth | 6-4,6-0 |