Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Metzingen | 2024/07/21 12:00 | Phil Exner v Justin Schlageter | 4-6,0-6 |
| ITF M15 Metzingen | 2024/07/21 07:00 | Attila Hueller-Varga v Justin Schlageter | 2-6,3-6 |
| ITF M25 Kassel | 2024/07/08 15:00 | Moritz Hoffmann v Justin Schlageter | 7-5,5-7,10-4 |
| ITF M15 Norman | 2023/10/26 16:25 | Justin Schlageter v Duarte Vale | 2-6,1-6 |
| ITF M15 Norman | 2023/10/25 21:05 | Justin Schlageter v Fons Van Sambeek | 7-6,4-6,7-5 |
| ITF M15 Uberlingen | 2023/08/15 15:25 | David Fix v Justin Schlageter | 7-5,6-3 |
| ITF M25 Ajaccio | 2024/07/01 08:00 | Facundo Bermejo v Christoph Gayk | 4-6,6-3,10-8 |
| ITF M25 Montauban | 2024/06/17 12:40 | Matteo Fondriest v Christoph Gayk | 6-2,6-1 |
| ITF M15 Bol | 2024/05/26 08:00 | Daniel Verbeek v Christoph Gayk | 6-3,6-4 |
| ITF M15 Antalya | 2024/04/22 10:20 | Matteo Lavizzari v Christoph Gayk | 6-2,6-3 |
| ITF M15 Monastir | 2023/12/31 08:00 | Christoph Gayk v Natsuki Yamamoto | 4-6,2-6 |
| ITF M15 Monastir | 2023/12/24 08:00 | Dmitry Dolzhenkov v Christoph Gayk | 6-1,6-4 |