Stadium: Court 7 Round: 26 Ground: Clay
| ITF M15 - Arad | 2023/09/26 11:55 | Kai Wehnelt v Jan Kupcic | 3-6,7-6,6-4 |
| Challenger - Sibiu | 2023/09/18 07:00 | Filip Cristian Jianu v Kai Wehnelt | 6-0,7-5 |
| Challenger - Sibiu | 2023/09/17 08:55 | Kai Wehnelt v Vladyslav Orlov | 7-5,6-7,6-4 |
| Challenger - Szczecin | 2023/09/10 14:20 | Rudolf Molleker v Kai Wehnelt | 6-4,7-5 |
| Challenger - Tulln | 2023/09/03 08:00 | Kai Wehnelt v Jeremy Jahn | 4-6,4-6 |
| ITF M25 - Poznan | 2023/08/26 09:00 | Kai Wehnelt v Georgii Kravchenko | 2-6,5-7 |
| ITF M25 - Poznan | 2023/08/25 09:00 | Kai Wehnelt v Sander Jong | 7-6,6-3 |
| ITF M25 - Poznan | 2023/08/24 09:00 | Maks Kasnikowski v Kai Wehnelt | 4-6,4-6 |
| ITF M15 - Arad | 2023/09/25 09:30 | Valentin Vanta v Jan Hrazdil | 6-7,4-6 |
| ITF M25 - Pardubice | 2023/09/20 10:10 | Jan Hrazdil v Jonas Forejtek | 2-6,3-6 |
| ITF M25 - Pardubice | 2023/09/19 09:10 | Jan Hrazdil v Marek Jaloviec | 3-6,7-6,10-8 |
| ITF M25 - Pardubice | 2023/09/18 09:00 | Jan Hrazdil v Dusan Baranec | 6-2,6-4 |
| ITF M15 - Litija | 2023/06/13 15:50 | Jan Hrazdil v Cezar Cretu | 3-6,4-6 |
| ITF M25 - Most | 2023/05/25 08:00 | Daniel Paty v Jan Hrazdil | 6-4,6-7,7-6 |
| ITF M25 - Most | 2023/05/24 07:55 | Jan Hrazdil v Lukas Neumayer | 6-4,6-1 |
| ITF M25 - Prag | 2023/05/18 11:00 | Jan Hrazdil v Rudolf Molleker | 4-6,3-6 |