Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Bad Waltersdorf | 2023/09/19 08:00 | Sebastian Sorger v Zdenek Kolar | 1-6,5-7 |
| ITF M25 Maribor | 2023/09/06 07:30 | Toby Alex Kodat v Sebastian Sorger | 7-5,6-1 |
| ITF M15 Vienna | 2023/08/31 08:00 | Milos Karol v Sebastian Sorger | 6-4,6-3 |
| ITF M15 Vienna | 2023/08/30 10:05 | Lukas Rohseano v Sebastian Sorger | 1-6,1-6 |
| ITF M25 Osijek | 2023/08/11 12:45 | Sebastian Sorger v Valerio Aboian | 4-6,4-6 |
| ITF M25 Osijek | 2023/08/10 12:35 | Sebastian Sorger v Luka Pavlovic | 4-6,6-3,6-1 |
| ITF M25 Osijek | 2023/08/09 12:55 | Sebastian Sorger v Duje Kekez | 0-6,6-4,6-2 |
| ITF M15 Novi Sad | 2023/08/02 11:10 | Florent Bax v Sebastian Sorger | 6-1,6-3 |
| ITF M15 Vienna | 2023/08/27 10:30 | Bader Alabdullah v Wenzel Graski | 3-6,3-6 |