| German Championship | 2021/12/10 14:00 | Marko Topo v Kai Wehnelt | 6-2,1-6,5-7 |
| German Championship | 2021/12/09 10:00 | Michael Weindl v Kai Wehnelt | 3-6,1-6 |
| German Championship | 2021/12/08 13:00 | Jannik Maute v Kai Wehnelt | 2-6,4-6 |
| ITF M15 - Heraklion | 2021/12/03 08:00 | Kai Wehnelt v Charles Broom | 4-6,2-6 |
| ITF M15 - Heraklion | 2021/12/02 07:00 | Kai Wehnelt v Pijus Vaitiekunas | 6-1,6-2 |
| ITF M15 - Heraklion | 2021/12/01 07:00 | Kai Wehnelt v Dong Ju Kim | 6-4,7-6 |
| ITF M15 - Heraklion | 2021/11/27 08:00 | Nicholas David Ionel v Kai Wehnelt | 7-6,6-3 |
| ITF M15 - Heraklion | 2021/11/26 12:05 | Kai Wehnelt v Arthur Fery | 6-3,7-5 |
| German Championship | 2021/12/10 12:00 | Leopold Zima v Henri Squire | 7-6,4-6,6-7 |
| German Championship | 2021/12/09 13:00 | Bastien Presuhn v Henri Squire | 4-6,3-5 |
| German Championship | 2021/12/08 13:00 | Lasse Portner v Henri Squire | 2-6,2-6 |
| ITF M15 - Opava | 2021/11/19 11:20 | Marvin Moeller v Henri Squire | 6-4,6-1 |
| ITF M15 - Opava | 2021/11/18 09:00 | Filip Duda v Henri Squire | 6-7,5-7 |
| ITF M15 - Opava | 2021/11/17 10:40 | Matthew William Donald v Henri Squire | 2-6,6-7 |
| Challenger - Eckental | 2021/11/04 12:45 | Tomas Machac v Henri Squire | 6-2,7-6 |
| Challenger - Eckental | 2021/11/02 13:15 | Henri Squire v Alexander Erler | 7-6,2-6,7-6 |