Stadium: DISPLAY-MAX Court Round: 26 Ground: Clay
| ITF M15 Uberlingen | 2024/08/14 14:10 | Justin Engel v Aaron Funk | 6-3,6-7,6-2 |
| Challenger Bonn | 2024/08/06 10:05 | Martin Klizan v Justin Engel | 7-6,6-3 |
| Challenger Luedenscheid | 2024/07/29 15:30 | Justin Engel v Marco Trungelliti | 6-2,4-6,6-7 |
| ITF M15 Uslar | 2024/07/21 12:00 | Justin Engel v Lautaro Agustin Falabella | 6-2,6-4 |
| ITF M15 Uslar | 2024/07/20 12:40 | Justin Engel v Elmar Ejupovic | 6-2,7-5 |
| ITF M15 Uslar | 2024/07/19 15:05 | Michel Hopp v Justin Engel | 3-6,6-0,3-6 |
| ITF M15 Uslar | 2024/07/18 09:55 | Jannik Opitz v Justin Engel | 6-4,2-6,6-7 |
| ITF M15 Uslar | 2024/07/17 11:55 | Milan Welte v Justin Engel | 1-6,0-6 |
| 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 Metzingen | 2024/07/24 11:00 | Justin Schlageter v Emilien Demanet | 6-3,6-4 |
| ITF M15 Metzingen | 2024/07/22 13:00 | Fadi Bidan v Justin Schlageter | 3-6,4-6 |