Stadium: VOLKSBANK Court Round: 25 Ground: Clay
| ITF M15 Frankfurt Am Main | 2023/08/13 09:00 | Lucas Gerch v Jakob Schnaitter | 6-4,6-1 |
| ITF M15 Frankfurt Am Main | 2023/08/11 10:00 | Aleksandre Metreveli v Jakob Schnaitter | 6-7,2-6 |
| ITF M15 Frankfurt Am Main | 2023/08/09 13:00 | Jakob Schnaitter v Marcel Zielinski | 6-7,6-2,6-2 |
| ITF M25 Cattolica | 2023/06/20 12:00 | Andrea Picchione v Jakob Schnaitter | 6-7,6-4,7-6 |
| ITF M15 Nyiregyhaza | 2023/06/09 12:00 | Dragos Nicolae Madaras v Jakob Schnaitter | 6-3,6-3 |
| ITF M15 Nyiregyhaza | 2023/06/08 08:00 | Martyn Pawelski v Jakob Schnaitter | 6-4,2-6,6-7 |
| ITF M15 Nyiregyhaza | 2023/06/07 08:00 | Jakob Schnaitter v Gergely Madarasz | 6-4,6-3 |
| ITF M15 Warmbad-Villach | 2023/05/24 07:25 | Bor Artnak v Jakob Schnaitter | 6-3,7-5 |
| ITF M25 Wetzlar | 2023/08/01 12:40 | Justin Engel v Diego Dedura-Palomero | 5-7,2-6 |
| ITF M15 Uslar | 2023/07/19 09:55 | Juan C P Angelo v Justin Engel | 6-2,6-4 |
| ITF M15 Uslar | 2023/07/17 16:00 | Justin Engel v Noah Schlagenhauf | 6-3,6-0 |
| ITF M15 Uslar | 2023/07/17 08:00 | Andrea Gola v Justin Engel | 2-6,3-6 |
| ITF M25 Kassel | 2023/07/13 09:25 | Daniel Dutra Da Silva v Justin Engel | 6-1,6-3 |
| ITF M25 Kassel | 2023/07/12 09:55 | Justin Engel v Hazem Naw | 4-6,6-4,6-4 |
| Challenger Karlsruhe | 2023/07/02 11:40 | Justin Engel v Carlos Sanchez Jover | 6-0,3-6,3-6 |
| ITF M15 Oberhaching | 2023/02/12 09:00 | Justin Engel v Michael Gloeckler | 4-6,3-6 |