| UTR Pro Tennis Series - Mulheim | 2022/10/07 12:06 | Christos Keisidis v Mikalai Haliak | 3-6,3-6 |
| UTR Pro Tennis Series - Mulheim | 2022/10/06 07:30 | Christos Keisidis v Aaron James Williams | 4-6,2-5 |
| UTR Pro Tennis Series - Mulheim | 2022/10/05 10:30 | Hugo Pierre v Christos Keisidis | 6-3,5-2 |
| UTR Pro Tennis Series - Mulheim | 2022/10/04 06:00 | Jeremy Jahn v Christos Keisidis | 6-3,6-2 |
| UTR Pro Tennis Series - Aten | 2022/08/14 06:30 | Christos Keisidis v Sergis Kyratzis | 6-4,2-6,7-5 |
| UTR Pro Tennis Series - Aten | 2022/08/12 05:00 | Denys Klok v Christos Keisidis | 6-4,6-1 |
| UTR Pro Tennis Series - Aten | 2022/08/11 06:30 | Wadym Konowczuk v Christos Keisidis | 6-7,2-6 |
| UTR Pro Tennis Series - Aten | 2022/08/08 05:00 | Christos Keisidis v Tadija Radovanovic | 6-0,3-6,6-4 |
| UTR Pro Tennis Series - Mulheim | 2022/10/06 06:00 | Lukas Maskow v Jinglong Weng | 6-3,3-6,6-7 |
| UTR Pro Tennis Series - Mulheim | 2022/10/05 09:00 | Lukas Maskow v Yanais Laurent | 0-6,3-6 |