Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Trier | 2021/08/26 11:00 | Quentin Folliot v Kai Wehnelt | 7-5,4-6,7-5 |
| ITF M25 Trier | 2021/08/24 13:30 | Kai Wehnelt v Sarp Agabigun | 6-0,6-4 |
| ITF M15 Oldenzaal | 2021/08/18 14:30 | Kai Wehnelt v Daniel De Jonge | 5-7,6-1,6-7 |
| ITF M25 Frankfurt am Main | 2021/08/11 15:30 | Kai Wehnelt v Lucas Gerch | 6-3,2-6,4-6 |
| ITF M25 Wetzlar | 2021/08/04 08:00 | Harold Mayot v Kai Wehnelt | 6-4,6-7,7-5 |
| ITF M15 Cairo | 2021/07/29 08:00 | Gustavo Heide v Kai Wehnelt | 3-6,7-5,6-3 |
| ITF M15 Cairo | 2021/07/28 14:20 | Facundo Arias Bisso v Kai Wehnelt | 5-7,5-7 |
| ITF M15 Cairo | 2021/07/24 08:00 | Mathieu Perchicot v Kai Wehnelt | 6-3,1-6,7-5 |
| UK Pro League | 2021/08/29 14:30 | Sean Hodkin v Joshua Paris | 6-3,7-6 |
| UK Pro League | 2021/08/27 14:30 | Evan Hoyt v Joshua Paris | 4-6,4-6 |
| UK Pro League | 2021/08/26 13:00 | Charles Broom v Joshua Paris | 7-6,7-5 |
| UK Pro League | 2021/08/25 11:15 | Joshua Paris v Jack Gibbens | 6-1,7-5 |
| UK Pro League | 2021/08/23 10:00 | Billy Harris v Joshua Paris | 6-7,1-6 |
| ITF M15 Monastir | 2021/08/04 15:25 | Thomas Fancutt v Joshua Paris | 7-6,6-1 |
| ITF M15 Monastir | 2021/08/03 07:30 | Joshua Paris v Andreja Petrovic | 6-2,6-3 |
| ITF M15 Monastir | 2021/08/02 07:30 | Joshua Paris v Matas Vasiliauskas | 6-3,6-4 |