Stadium: Court 4 Round: 14 Ground: Hardcourt indoor
| ITF M25 Frankfurt am Main | 2021/08/11 15:30 | Kai Wehnelt v Lucas Gerch | 6-3,2-6,4-6 |
| ITF M15 Troisdorf | 2021/05/13 09:00 | Kai Wehnelt v Lucas Gerch | 4-6,6-4,5-7 |
| Challenger Oeiras | 2022/03/29 14:45 | Lucas Gerch v Pedro Sousa | 3-6,4-6 |
| Challenger Oeiras | 2022/03/28 09:30 | Alex M Pujolras v Lucas Gerch | 2-6,6-4,3-6 |
| Challenger Oeiras | 2022/03/27 13:25 | Francisco Cabral v Lucas Gerch | 6-3,3-6,4-6 |
| ITF M15 Palmanova | 2022/03/22 14:40 | Miguel Damas v Lucas Gerch | 6-1,5-7,6-2 |
| ITF M25 Santo Domingo | 2022/03/03 16:10 | Lucas Gerch v Keegan Smith | 3-6,6-1,6-7 |
| ITF M25 Santo Domingo | 2022/03/02 16:05 | Lucas Gerch v Nicholas Bybel | 6-4,6-2 |
| ITF M25 Cancun | 2022/02/20 15:00 | Keegan Smith v Lucas Gerch | 6-4,6-1 |
| ITF M25 Cancun | 2022/02/19 14:55 | Nick Chappell v Lucas Gerch | 1-6,4-6 |
| Challenger Oeiras | 2022/03/28 13:20 | Kai Wehnelt v Alex Rybakov | 6-3,4-6,3-6 |
| ITF M25 Portimao | 2022/03/09 12:10 | Kai Wehnelt v Luis Faria | 6-1,6-7,4-6 |
| ITF M25 Faro | 2022/03/02 13:05 | Kai Wehnelt v Pedro Araujo | 3-6,1-6 |
| Challenger Bengaluru Qual | 2022/02/13 08:10 | Nitin Kumar Sinha v Kai Wehnelt | 3-6,7-6,6-3 |
| Challenger Bengaluru | 2022/02/06 04:30 | Frederico Ferreira Silva v Kai Wehnelt | 6-4,6-2 |
| German Championship | 2021/12/11 12:00 | Kai Wehnelt v Henri Squire | 7-6,1-6,6-7 |
| 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 |