| UTR Pro Tennis Series Mulheim | 2022/10/04 09:00 | Jannis Kahlke v Karlo Cubelic | 0-6,2-6 |
| UTR Pro Tennis Series Mulheim | 2022/10/03 06:00 | Jim Hendrikx v Jannis Kahlke | 6-7,6-1,6-1 |
| UTR Pro Tennis Series Bukarest | 2022/03/19 10:00 | Dragos N Cazacu v Jannis Kahlke | 6-1,6-3 |
| UTR Pro Tennis Series Bukarest | 2022/03/18 12:30 | Oleksandr Bielinskyi v Jannis Kahlke | 6-4,5-1 |
| UTR Pro Tennis Series Bukarest | 2022/03/17 12:30 | Bogdan Bobrov v Jannis Kahlke | 6-2,5-7,5-2 |
| UTR Pro Tennis Series Bukarest | 2022/03/16 11:00 | Dragos Constantin Ignat v Jannis Kahlke | 3-6,4-6 |
| UTR Pro Tennis Series Bukarest | 2022/03/14 11:00 | Ioan Alexandru Chirita v Jannis Kahlke | 3-6,4-6 |
| UTR Pro Tennis Series Bukarest | 2022/03/12 11:00 | Jannis Kahlke v Vladimir Filip | 4-6,0-0 |
| UTR Pro Tennis Series Mulheim | 2022/10/03 06:00 | Sidane Pontjodikromo v Nathan Guiovanna | 6-2,6-2 |
| UTR Pro Tennis Series Mulheim | 2022/07/02 12:00 | Jose L V G-Carpintero v Nathan Guiovanna | 6-2,1-6,0-3 |
| UTR Pro Tennis Series Mulheim | 2022/07/01 09:00 | Rayane Oumaouche v Nathan Guiovanna | 4-6,7-5,6-3 |
| UTR Pro Tennis Series Mulheim | 2022/06/30 10:30 | Tom Gentzsch v Nathan Guiovanna | 6-3,5-4 |
| UTR Pro Tennis Series Mulheim | 2022/06/29 07:30 | Kody Pearson v Nathan Guiovanna | 6-2,5-1 |
| UTR Pro Tennis Series Mulheim | 2022/06/27 06:00 | John Sperle v Nathan Guiovanna | 6-2,5-1 |