| UTR Pro Tennis Series - Amsterdam | 2021/12/08 07:00 | Jip Van Assendelft v Rob Van Den Berg | 4-6,6-4,6-1 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/07 08:30 | Michiel de Krom v Rob Van Den Berg | 5-7,6-3,5-2 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/07 10:00 | Jip Van Assendelft v Jannis Kahlke | 2-6,7-5,6-2 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/06 07:00 | Jannis Kahlke v Guy Den Heijer | 7-6,5-7,3-5 |
| ITF - M15 - Marburg | 2019/07/08 09:00 | Valentin Guenther v Jannis Kahlke | 6-4,6-2 |
| ITF - M15 - Marburg | 2019/07/08 07:00 | Jan Soeren Hain v Jannis Kahlke | 6-7,4-6 |
| ITF M15 Kaarst | 2019/02/04 08:30 | Daniel De Jonge v Jannis Kahlke | 7-5,6-4 |
| ITF - M15 - Sharm El Sheikh | 2019/01/21 09:30 | Kacper Zuk v Jannis Kahlke | 7-5,6-0 |
| ITF - Ägypten F28 | 2018/11/22 09:15 | Jannis Kahlke v Mohamed Aziz Dougaz | 2-6,6-7 |
| ITF - Ägypten F28 | 2018/11/21 13:10 | Jannis Kahlke v Jan Vehovec | 6-0,6-0 |