Stadium: Court 1 Round: 26 Ground: Clay
| Challenger Calgary | 2022/11/07 17:00 | Maks Kasnikowski v Kai Wehnelt | 4-6,7-6,6-1 |
| ITF M25 Poznan | 2023/08/23 08:30 | Maks Kasnikowski v Lukas Palovic | 6-3,6-2 |
| Grodzisk Mazowiecki, Poland | 2023/08/17 12:45 | Jesper De Jong v Maks Kasnikowski | 6-0,6-2 |
| Grodzisk Mazowiecki, Poland | 2023/08/16 11:40 | Gojowczyk, Peter v Maks Kasnikowski | 3-6,4-6 |
| Grodzisk Mazowiecki, Poland | 2023/08/15 09:00 | Maks Kasnikowski v Stefanos Sakellaridis | 6-2,6-0 |
| Challenger Liberec | 2023/08/02 09:30 | Maks Kasnikowski v Dalibor Svrcina | 6-3,6-7,3-6 |
| Challenger Tampere | 2023/07/18 07:30 | Maks Kasnikowski v Riccardo Bonadio | 4-6,0-6 |
| Challenger Modena | 2023/06/29 18:15 | Maks Kasnikowski v Titouan Droguet | 1-6,5-7 |
| Challenger Modena | 2023/06/28 12:15 | Stefano Travaglia v Maks Kasnikowski | 2-6,6-7 |
| ITF M25 Poznan | 2023/08/23 12:45 | Siim Troost v Kai Wehnelt | 7-6,0-6,0-6 |
| ITF M25 Koksijde | 2023/08/14 12:00 | Kai Wehnelt v Luciano Emanuel Ambrogi | 3-6,3-6 |
| Challenger Meerbusch | 2023/08/07 10:00 | Georgii Kravchenko v Kai Wehnelt | 6-4,7-6 |
| Luedenscheid, Germany | 2023/07/31 15:25 | Duje Ajdukovic v Kai Wehnelt | 6-4,3-6,6-3 |
| Luedenscheid, Germany | 2023/07/30 12:05 | Kai Wehnelt v Jose Pereira | 6-2,6-4 |
| ITF M25 Kramsach | 2023/07/27 13:45 | Kai Wehnelt v Peter Heller | 5-7,4-6 |
| ITF M25 Kramsach | 2023/07/26 12:20 | Kai Wehnelt v Manuel Plunger | 6-3,3-6,6-2 |
| ITF M25 Telfs | 2023/07/20 08:55 | Alex Barrena v Kai Wehnelt | 6-3,6-1 |