Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Heraklion | 2022/11/23 09:35 | Rocco Piatti v Janis, Jason | 7-5,6-2 |
| ITF M25 Heraklion | 2022/11/14 10:00 | Janis, Jason v Jonas Trinker | 3-6,4-6 |
| ITF - M25 Santa Margherita | 2022/09/20 13:25 | Janis, Jason v Francesco Liucci | 2-6,4-6 |
| ITF - M25 Santa Margherita | 2022/09/13 13:05 | Basso, Andrea v Janis, Jason | 6-2,6-1 |
| ITF - M25 Santa Margherita | 2022/04/12 12:00 | Dan Added v Janis, Jason | 6-2,6-1 |
| ITF - M15 Antalya | 2021/10/17 08:00 | Janis, Jason v Lukas H Lilleengen | 1-6,1-6 |
| ITF - M15 Antalya | 2021/10/11 06:55 | Minarik, Kristof v Janis, Jason | 6-2,6-2 |
| ITF M15 Oldenzaal | 2021/08/15 12:00 | Janis, Jason v Derdoy, Felipe | 4-6,1-6 |
| ITF - M15 Monastir | 2022/11/21 15:05 | Drebenstedt, Dario v Darrshan Suresh | 4-6,6-7 |
| ITF - M15 Monastir | 2022/11/21 09:30 | Ping Chen, Lin v Drebenstedt, Dario | 0-6,1-6 |
| ITF - M15 Monastir | 2022/11/20 09:30 | Mohamed El Hafedh Said v Drebenstedt, Dario | 4-6,3-6 |
| ITF M25 Ueberlingen | 2021/08/16 07:55 | Phil Schollhorn v Drebenstedt, Dario | 1-6,4-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 11:30 | Drebenstedt, Dario v Ilnytskyy, Svyatoslav | 5-7,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/22 07:30 | Drebenstedt, Dario v Claverie, Lorenzo | 2-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/21 11:00 | Drebenstedt, Dario v Michael Bassem Sobhy | 6-4,4-6,13-11 |
| ITF - M15 Sharm El Sheikh | 2021/02/14 07:00 | Crepaldi, Erik v Drebenstedt, Dario | 6-2,6-2 |