Stadium: Court 10 Round: 44 Ground: Clay
| 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 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 M25 Maribor Qual | 2023/09/03 11:35 | Lukas Rohseano v Tamas Foldi | 6-2,6-0 |
| ITF M15 Vienna | 2023/08/30 10:05 | Lukas Rohseano v Sebastian Sorger | 1-6,1-6 |
| ITF M15 Vienna | 2023/08/28 08:00 | Essa Qabazard v Lukas Rohseano | 7-6,4-6,9-11 |
| ITF M15 Vienna | 2023/08/28 08:00 | Lukas Rohseano v Elias Sumann | 2-6,7-5,10-8 |
| ITF M25 Lesa | 2023/08/20 13:00 | Alessandro Ragazzi v Lukas Rohseano | 6-2,6-1 |
| ITF M25 Osijek | 2023/08/07 14:10 | Michael Gloeckler v Lukas Rohseano | 6-4,6-0 |
| ITF M25 Osijek | 2023/08/07 07:30 | Lukas Rohseano v Nikita Alosha | 6-0,6-2 |
| ITF M25 Kramsach | 2023/07/24 07:30 | Siim Troost v Lukas Rohseano | 4-6,6-4,10-8 |