Stadium: Lear Round: 25 Ground: Clay
| ITF M15 Eupen | 2023/08/07 07:00 | Julian Peter v Leon Formella | 4-6,2-6 |
| ITF M25 Kramsach | 2023/07/23 07:00 | Julian Peter v Nicolas Moser | 0-6,1-6 |
| ITF M15 Monastir | 2023/06/18 08:30 | Martin Breysach v Julian Peter | 6-3,6-1 |
| ITF M15 Monastir | 2023/06/11 10:00 | Bruno Fernandez v Julian Peter | 6-2,6-1 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 10:30 | Matthew William Donald v Julian Peter | 6-1,6-0 |
| ITF M25 Praha | 2023/05/15 11:00 | Filip Duda v Julian Peter | 6-1,6-1 |
| ITF M25 Praha | 2023/05/14 08:30 | Julian Peter v Liam Schiemann | 4-6,6-4,10-6 |
| ITF M15 Meerbusch | 2023/04/23 08:00 | Mihailo Kecojevic v Julian Peter | 6-3,6-2 |
| ITF M15 Trier | 2023/08/22 11:00 | Kai Lemstra v Adrian Oetzbach | 7-6,6-3 |
| ITF M15 Überlingen | 2023/08/18 11:30 | Arthur Nagel v Adrian Oetzbach | 6-1,6-4 |
| ITF M15 Überlingen | 2023/08/17 13:40 | Adrian Oetzbach v Luca Wiedenmann | 6-2,7-5 |
| ITF M15 Überlingen | 2023/08/16 09:40 | Philip Florig v Adrian Oetzbach | 2-6,7-5,5-7 |
| Challenger Meerbusch | 2023/08/06 15:45 | Tibo Colson v Adrian Oetzbach | 7-6,7-6 |
| ITF M15 Eindhoven | 2023/08/05 09:00 | Elmer Moller v Adrian Oetzbach | 7-6,6-7,6-7 |
| ITF M15 Eindhoven | 2023/08/04 10:00 | Stijn Paardekooper v Adrian Oetzbach | 3-6,6-3,2-6 |
| ITF M15 Eindhoven | 2023/08/03 09:00 | Jurriaan Bol v Adrian Oetzbach | 3-6,3-6 |