Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Metzingen | 2023/07/24 12:00 | Adrian Oetzbach v Aaron James Williams | 6-7,6-2,7-10 |
| ITF M15 Metzingen | 2023/07/23 12:00 | Adrian Oetzbach v Alen Mujakic | 6-0,6-3 |
| ITF M15 Uslar | 2023/07/20 11:00 | Stefan Popovic v Adrian Oetzbach | 7-6,6-4 |
| ITF M15 Uslar | 2023/07/19 14:25 | Adrian Oetzbach v Franco Emanuel Egea | 6-1,7-6 |
| ITF M25 Kassel | 2023/07/12 13:20 | Joao Domingues v Adrian Oetzbach | 2-6,7-6,6-2 |
| ITF M25 Kassel | 2023/07/11 10:55 | Adrian Oetzbach v Vincent Marysko | 6-4,6-4 |
| ITF M25 Kassel | 2023/07/10 07:50 | Adrian Oetzbach v Samuel Rovai | 6-1,6-1 |
| ITF M25 Marburg | 2023/07/08 10:50 | Timo Stodder v Adrian Oetzbach | 6-1,6-4 |
| Challenger Astana | 2023/07/25 08:20 | Robin Bertrand v Orel Kimhi | 2-6,6-1,4-6 |
| Challenger Pozoblanco | 2023/07/16 19:05 | Dali Blanch v Robin Bertrand | 6-3,6-1 |
| ITF M25 Roda de Bara | 2023/07/13 14:00 | Robin Bertrand v Edas Butvilas | 5-7,1-6 |
| ITF M25 Roda de Bara | 2023/07/12 09:45 | Robin Bertrand v Arthur Bonnaud | 6-2,6-1 |
| ITF M25 Ajaccio | 2023/07/04 10:10 | Robin Bertrand v Lilian Marmousez | 6-3,4-6,2-6 |
| ITF M25 Bakio | 2023/06/28 07:55 | Noah Lopez v Robin Bertrand | 4-6,6-1,6-4 |
| ITF M25 Bakio | 2023/06/27 11:15 | Nikolay Nedelchev v Robin Bertrand | 4-6,3-6 |
| ITF M25 Martos | 2023/06/14 08:30 | Imanol L Morillo v Robin Bertrand | 6-1,6-7,7-6 |