| UTR Pro Tennis Series - Mulheim | 2021/10/12 08:30 | Jing L Weng v Yurii Dzhavakian | 5-7,6-1,6-3 |
| UTR Pro Tennis Series - Mulheim | 2021/10/11 07:00 | Edison Ambarzumjan v Jing L Weng | 1-6,1-6 |
| UTR Pro Tennis Series - Mulheim | 2021/09/25 10:00 | Colin Sinclair v Jing L Weng | 6-1,6-4 |
| UTR Pro Tennis Series - Mulheim | 2021/09/24 13:30 | Jing L Weng v Oleksandr Bielinskyi | 1-6,6-3,1-6 |
| UTR Pro Tennis Series - Mulheim | 2021/09/22 11:00 | Jing L Weng v Julien De Cuyper | 6-1,5-4 |
| UTR Pro Tennis Series - Mulheim | 2021/09/20 11:00 | Pablo Carretero v Jing L Weng | 2-6,6-3,6-6 |
| ITF M25 - Eupen | 2021/09/06 09:15 | Jip Van Assendelft v Jing L Weng | 6-4,6-1 |
| ITF M25 - Eupen | 2021/09/05 10:30 | Kylian Collignon v Jing L Weng | 0-6,1-6 |
| UTR Pro Tennis Series - Mulheim | 2021/10/11 07:00 | Constantin Schmitz v Tim Sandkaulen | 6-4,7-5 |
| UTR Pro Tennis Series - Mulheim | 2021/07/31 08:30 | Hazem Naw v Tim Sandkaulen | 6-4,7-6 |
| UTR Pro Tennis Series - Mulheim | 2021/07/29 13:30 | Matthew Thomson v Tim Sandkaulen | 6-7,1-6 |
| UTR Pro Tennis Series - Mulheim | 2021/07/29 07:00 | Billy Harris v Tim Sandkaulen | 6-7,3-6 |
| UTR Pro Tennis Series - Mulheim | 2021/07/28 11:00 | Mark Wallner v Tim Sandkaulen | 6-7,5-6 |
| UTR Pro Tennis Series - Mulheim | 2021/07/26 11:00 | Guy Den Heijer v Tim Sandkaulen | 7-5,6-3 |
| Challenger Braunschweig | 2021/07/05 09:30 | Tim Sandkaulen v Daniel Michalski | 3-6,5-7 |
| Challenger Braunschweig | 2021/07/04 09:00 | Kacper Zuk v Tim Sandkaulen | 6-2,3-6,6-7 |