Stadium: Court 1 Round: 62 Ground: Clay
| ITF M15 Kottingbrunn | 2024/08/19 08:00 | Justin Schlageter v Andriy Poritskyy | 6-3,10-3 |
| ITF M15 Uberlingen | 2024/08/15 12:15 | Justin Engel v Justin Schlageter | 6-1,6-1 |
| ITF M15 Uberlingen | 2024/08/14 12:30 | Justin Schlageter v Tim Heger | 6-4,6-2 |
| ITF M15 Eupen | 2024/08/05 08:00 | Benoit Torcq v Justin Schlageter | 6-4,7-5 |
| ITF M15 Eupen | 2024/08/04 11:00 | Justin Schlageter v Ruben Hartig | 6-2,2-6,10-8 |
| ITF M25 Wetzlar | 2024/07/29 08:00 | Gregor Hausberger v Justin Schlageter | 2-6,6-4,10-4 |
| ITF M15 Metzingen | 2024/07/26 15:50 | Florian Broska v Justin Schlageter | 4-6,6-3,6-3 |
| ITF M15 Metzingen | 2024/07/25 11:00 | Justin Schlageter v Oscar Galimardanov | 6-2,6-3 |
| ITF M15 Ollersbach | 2024/08/14 14:20 | Manuel Lazic v Josip Simundza | 1-6,4-6 |
| ITF M15 Ollersbach | 2024/08/13 07:30 | Vit Kalina v Manuel Lazic | 5-7,6-4,8-10 |
| ITF M25 Kramsach | 2024/07/23 14:40 | Manuel Lazic v Sebastian Sorger | 4-6,1-6 |
| ITF M25 Telfs | 2024/07/17 13:00 | Martin Klizan v Manuel Lazic | 6-2,6-4 |
| Challenger Salzburg | 2024/07/07 08:15 | Manuel Lazic v Norbert Gombos | 5-7,3-6 |
| ITF M15 Villach | 2024/05/12 08:30 | Luka Miklavcic v Manuel Lazic | 6-3,6-4 |
| Challenger Mauthausen | 2024/05/05 12:45 | Louis Wessels v Manuel Lazic | 6-3,6-2 |
| ITF M15 Kursumlijska Banja | 2024/04/24 14:00 | Manuel Lazic v Christopher Bulus | 3-6,1-6 |