Stadium: Central Court Round: 14 Ground: Hardcourt indoor
| 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 25 Meerbusch | 2021/04/12 13:00 | Marvin Netuschil v Patric Prinoth | 6-1,6-1 |
| ITF M15 Antalya | 2021/03/14 07:00 | Patric Prinoth v Sidane Pontjodikromo | 3-6,5-7 |
| Challenger Eckental | 2021/11/03 09:10 | Ramkumar Ramanathan v Aldin Setkic | 7-6,4-6,6-3 |
| Challenger Eckental | 2021/10/31 10:00 | Aldin Setkic v Christopher Heyman | 4-6,5-7 |
| Challenger Losinj | 2021/10/20 08:00 | Aldin Setkic v Mathias Bourgue | 0-6,2-6 |
| Challenger Losinj | 2021/10/18 10:00 | Aldin Setkic v Anthony Genov | 6-3,6-4 |
| ITF M25 Skopje | 2021/10/02 09:30 | Aldin Setkic v Louis Wessels | 2-6,7-6,3-6 |
| ITF M25 Skopje | 2021/10/01 13:00 | Aldin Setkic v Andrey Chepelev | 6-4,6-4 |
| ITF M25 Skopje | 2021/10/01 07:30 | Aldin Setkic v Giorgio Tabacco | 6-4,6-3 |
| ITF M25 Skopje | 2021/09/29 11:50 | Aldin Setkic v Jumpei Yamasaki | 7-5,6-4 |