| 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 | 2021/12/07 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 Egypt F28 | 2018/11/22 09:15 | Jannis Kahlke v Mohamed Aziz Dougaz | 2-6,6-7 |
| ITF Egypt F28 | 2018/11/21 13:10 | Jannis Kahlke v Jan Vehovec | 6-0,6-0 |
| UTR Pro Tennis Series Barcelona | 2022/01/29 08:30 | Jip Van Assendelft v Yurii Dzhavakian | 4-6,5-6 |
| UTR Pro Tennis Series Barcelona | 2022/01/28 08:30 | Bruno P Navarro v Jip Van Assendelft | 3-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2022/01/25 12:30 | Oleksandr Bielinskyi v Jip Van Assendelft | 7-6,6-2 |
| UTR Pro Tennis Series Barcelona | 2022/01/24 14:00 | Evgeny Karlovskiy v Jip Van Assendelft | 6-4,6-4 |
| UTR Pro Tennis Series Barcelona | 2022/01/23 15:25 | Olexiy Kolisnyk v Jip Van Assendelft | 4-6,1-6 |
| UTR Pro Tennis Series Amsterdam | 2021/12/11 08:30 | Jip Van Assendelft v Miko Wassermann | 4-6,7-5,3-6 |
| UTR Pro Tennis Series Amsterdam | 2021/12/09 11:50 | Jip Van Assendelft v Guy Den Heijer | 2-6,2-6 |
| UTR Pro Tennis Series Amsterdam | 2021/12/08 07:00 | Jip Van Assendelft v Rob Van Den Berg | 4-6,6-4,6-1 |