| Challenger Lisbon | 2022/09/27 16:00 | Jeremy Jahn v Giulio Zeppieri | 5-7,4-6 |
| Challenger Lisbon | 2022/09/26 09:00 | Daniel Michalski v Jeremy Jahn | 3-6,2-6 |
| Challenger Lisbon | 2022/09/25 09:00 | Jeremy Jahn v Lucas Gerch | 6-2,7-5 |
| Challenger Braga | 2022/09/20 16:00 | Matheus Pucinelli De Almeida v Jeremy Jahn | 6-4,6-4 |
| Challenger Braga | 2022/09/19 10:00 | Duje Ajdukovic v Jeremy Jahn | 3-6,0-6 |
| Challenger Braga | 2022/09/18 11:15 | Jeremy Jahn v Akira Santillan | 6-3,7-6 |
| ITF M15 Allershausen | 2022/09/01 12:30 | Jeremy Jahn v Sandro Kopp | 4-6,6-3,3-6 |
| ITF M15 Allershausen | 2022/08/31 10:55 | Yvo Panak v Jeremy Jahn | 0-6,6-2,1-6 |
| UTR Pro Tennis Series Athens | 2022/08/14 06:30 | Christos Keisidis v Sergis Kyratzis | 6-4,2-6,7-5 |
| UTR Pro Tennis Series Athens | 2022/08/12 05:00 | Denys Klok v Christos Keisidis | 6-4,6-1 |
| UTR Pro Tennis Series Athens | 2022/08/11 06:30 | Wadym Konowczuk v Christos Keisidis | 6-7,2-6 |
| UTR Pro Tennis Series Athens | 2022/08/08 05:00 | Christos Keisidis v Tadija Radovanovic | 6-0,3-6,6-4 |
| UTR Pro Tennis Series Athens | 2022/08/07 06:30 | Christos Keisidis v Paris Gemouchidis | 6-2,5-3 |
| UTR Pro Tennis Series Athens | 2022/08/04 06:30 | Tadija Radovanovic v Christos Keisidis | 6-2,6-7,1-6 |
| UTR Pro Tennis Series Athens | 2022/08/03 05:00 | Janos Fekete v Christos Keisidis | 6-3,2-6,7-5 |
| UTR Pro Tennis Series Athens | 2022/08/01 09:30 | Aristotelis Thanos v Christos Keisidis | 6-1,6-2 |