Stadium: Court 2 Round: 19 Ground: Clay
| Challenger Tulln | 2023/09/03 08:00 | Maks Kasnikowski v Paul Werren | 6-1,6-3 |
| ITF M25 Poznaň | 2023/08/24 09:00 | Maks Kasnikowski v Kai Wehnelt | 4-6,4-6 |
| ITF M25 Poznaň | 2023/08/23 08:30 | Maks Kasnikowski v Lukas Palovic | 6-3,6-2 |
| Challenger Grodzisk Mazowiecki | 2023/08/17 12:45 | Jesper De Jong v Maks Kasnikowski | 6-0,6-2 |
| Challenger Grodzisk Mazowiecki | 2023/08/16 11:40 | Peter Gojowczyk v Maks Kasnikowski | 3-6,4-6 |
| Challenger Grodzisk Mazowiecki | 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 Tulln | 2023/09/03 08:00 | Kai Wehnelt v Jeremy Jahn | 4-6,4-6 |
| ITF M25 Oldenzaal | 2023/09/01 16:00 | Jeremy Jahn v Max Houkes | 3-6,6-7 |
| ITF M25 Oldenzaal | 2023/08/31 08:00 | Jeremy Jahn v Marlon Vankan | 7-6,6-2 |
| ITF M25 Oldenzaal | 2023/08/29 12:20 | Alec Deckers v Jeremy Jahn | 6-3,4-6,6-7 |
| ITF M25 Poznaň | 2023/08/25 11:00 | Jeremy Jahn v Viacheslav Bielinskyi | 6-0,4-6,2-6 |
| ITF M25 Poznaň | 2023/08/24 11:05 | Jeremy Jahn v Jasza Szajrych | 6-2,7-6 |
| ITF M25 Poznaň | 2023/08/23 14:05 | Jeremy Jahn v Dominik Kellovsky | 7-5,6-4 |
| ITF M25 Koksijde | 2023/08/19 14:00 | Timo Legout v Jeremy Jahn | 3-6,7-5,6-4 |