Estadio: Court 3 Round: 25 Ground: Clay
| Challenger de Luedenscheid | 2023/07/30 10:25 | Christoph Negritu v Wilson Leite | 6-7,6-3,3-6 |
| ITF M15 Uslar | 2023/07/22 09:45 | Christoph Negritu v Sebastian Prechtel | 2-6,4-6 |
| ITF M15 Uslar | 2023/07/21 10:00 | Jeremy Schifris v Christoph Negritu | 1-6,2-6 |
| ITF M15 Uslar | 2023/07/20 12:25 | Esteban Bruna v Christoph Negritu | 2-6,0-6 |
| ITF M15 Uslar | 2023/07/19 16:50 | Rostislav Galfinger v Christoph Negritu | 2-6,0-6 |
| ITF M15 Monastir | 2023/06/08 08:30 | Christoph Negritu v Thomas Braithwaite | 2-6,6-4,4-6 |
| ITF M15 Monastir | 2023/06/07 13:15 | Christoph Negritu v Bruno Fernandez | 6-2,6-0 |
| ITF M15 Warmbad-Villach | 2023/05/22 12:00 | Christoph Negritu v Tommaso Compagnucci | 6-7,5-7 |
| ITF M15 Ueberlingen | 2023/08/14 10:00 | Arthur Nagel v Yash Vardhan Singh | 6-2,6-1 |
| ITF M15 Frankfurt Am Main | 2023/08/07 16:45 | Taym Alazmeh v Arthur Nagel | 7-6,6-2 |
| ITF M15 Frankfurt Am Main | 2023/08/07 10:00 | Vasilios Caripi v Arthur Nagel | 5-7,3-6 |
| ITF M15 Metzingen | 2023/07/27 11:00 | Arthur Nagel v Philip Florig | 2-6,2-6 |
| ITF M15 Metzingen | 2023/07/26 12:30 | Dominik Boehler v Arthur Nagel | 0-6,4-6 |
| ITF M15 Metzingen | 2023/07/24 12:00 | Charlelie Cosnet v Arthur Nagel | 3-6,1-6 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Freek Van Donselaar v Arthur Nagel | 3-6,6-3,6-10 |
| ITF M25 Esch/Alzette | 2023/07/20 10:35 | Arthur Nagel v Alex Knaff | 4-6,2-6 |