Ground: Hardcourt outdoor
| ITF M25 Falun | 2021/09/30 12:30 | Maximilian Neuchrist v Valentin Royer | 1-6,4-6 |
| ITF M25 Falun | 2021/09/29 13:05 | Valentin Royer v Aidan Mchugh | 6-2,6-3 |
| ITF M25 Falun | 2021/09/27 11:55 | Valentin Royer v Sanjar Fayziev | 6-0,7-6 |
| ITF M25 Jonkoping | 2021/09/22 11:45 | Shintaro Imai v Valentin Royer | 6-4,6-3 |
| ITF M25 Jonkoping | 2021/09/20 11:05 | Valentin Royer v Markus Eriksson | 6-7,6-4,7-6 |
| ITF M25 Sintra | 2021/09/16 09:00 | Felix Corwin v Valentin Royer | 6-1,1-6,6-4 |
| ITF M25 Sintra | 2021/09/15 13:05 | Valentin Royer v Goncalo Falcao | 6-3,6-2 |
| Challenger Saint-Tropez | 2021/08/30 17:05 | Valentin Royer v Gregoire Barrere | 6-7,1-6 |
| 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 |
| ITF USA F25 | 2018/09/15 17:30 | Alan Kohen v Tim Sandkaulen | 6-4,6-4 |