Stadium: Court 9 Round: 26 Ground: Clay
| ITF - M25 Maribor | 2023/09/06 09:35 | Nikita Mashtakov v Tim Heger | 6-4,4-6,1-6 |
| ITF - M25 Maribor | 2023/09/05 07:50 | Tim Heger v Enrico Giacomini | 6-3,6-2 |
| ITF - M25 Maribor | 2023/09/04 08:00 | Tim Heger v Lukas Rohseano | 6-2,6-2 |
| ITF - M25 Maribor | 2023/08/30 13:50 | Tim Heger v Matvey Minin | 4-6,1-6 |
| ITF - M25 Maribor | 2023/08/29 09:30 | Tim Heger v Carlo Angeli | 6-4,6-2 |
| ITF - M25 Maribor | 2023/08/28 12:30 | Tim Heger v Vito Horvat | 6-2,6-0 |
| ITF M15 - Überlingen | 2023/08/17 10:50 | Arthur Nagel v Tim Heger | 7-6,6-4 |
| ITF M15 - Überlingen | 2023/08/16 11:25 | Tim Heger v Phil Exner | 6-4,6-2 |
| ITF - M25 Maribor | 2023/09/06 09:50 | Jan Kupcic v Mathys Erhard | 6-4,1-6,4-6 |
| Challenger - Praag | 2023/08/23 08:00 | Andrew Paulson v Mathys Erhard | 6-3,6-3 |
| Challenger - Praag | 2023/08/22 08:00 | Mathys Erhard v Francesco Maestrelli | 7-6,5-7,6-3 |
| Challenger - Todi | 2023/08/16 12:00 | Gabriel Debru v Mathys Erhard | 6-4,2-6,6-4 |
| Challenger - Todi | 2023/08/15 16:35 | Lorenzo Giustino v Mathys Erhard | 6-7,0-6 |
| Challenger - Todi | 2023/08/14 11:45 | Mathys Erhard v Felix Gill | 6-1,3-6,0-6 |
| Challenger - Todi | 2023/08/13 15:00 | Mathys Erhard v Ramkumar Ramanathan | 6-4,6-2 |
| ITF M25 - Bolzano | 2023/08/05 08:55 | Mathys Erhard v Giovanni Oradini | 6-4,3-6,6-7 |