Stadium: Indoor 2 Round: 54 Ground: Clay
| ITF M25 Maribor | 2023/08/28 12:30 | Tim Heger v Vito Horvat | 6-2,6-0 |
| ITF M15 Uberlingen | 2023/08/17 10:50 | Arthur Nagel v Tim Heger | 7-6,6-4 |
| ITF M15 Uberlingen | 2023/08/16 11:25 | Tim Heger v Phil Exner | 6-4,6-2 |
| ITF M15 Uberlingen | 2023/08/15 08:00 | Tim Heger v Christopher Patzanovsky | 7-6,6-2 |
| ITF M25 Marburg | 2023/07/03 08:00 | Ruben Hartig v Tim Heger | 7-5,1-6,10-8 |
| ITF M15 Saarlouis | 2023/06/22 09:30 | Marcel Zielinski v Tim Heger | 6-0,6-3 |
| ITF M15 Saarlouis | 2023/06/21 11:30 | Tim Heger v Konstantin Cucka | 6-2,6-0 |
| ITF M15 Litija | 2023/06/14 07:30 | Sebastian Prechtel v Tim Heger | 6-3,6-4 |