Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF M25 Trimbach | 2021/03/08 12:50 | Niklas Schell v Kilian Feldbausch | 6-3,6-4 |
| ITF M15 Monastir | 2021/03/12 08:30 | Kai Wehnelt v Luca Giacomini | 4-6,4-6 |
| ITF M15 Monastir | 2021/03/11 08:30 | Kai Wehnelt v Ryota Tanuma | 6-1,6-4 |
| ITF M15 Monastir | 2021/03/09 08:30 | Mateus Alves v Kai Wehnelt | 6-7,5-7 |
| ITF M15 Monastir | 2021/03/04 08:30 | Kai Wehnelt v Simon Carr | 5-7,0-6 |
| ITF M15 Monastir | 2021/03/03 10:10 | Aziz Ouakaa v Kai Wehnelt | 2-6,7-6,2-6 |
| ITF M15 Monastir | 2021/02/24 09:40 | Omar Giacalone v Kai Wehnelt | 6-3,6-4 |
| German Championship | 2020/12/11 13:00 | Daniel Masur v Kai Wehnelt | 6-7 |
| German Championship | 2020/12/10 15:30 | Leonard Von Hindte v Kai Wehnelt | 2-6,1-5 |