Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Xativa | 2023/07/30 15:00 | Felix Mischker v Sergio Callejon Hernando | 6-7,1-6 |
| ITF M15 Metzingen | 2023/07/23 14:00 | Felix Mischker v Stepan Mruzek | 6-1,2-6,5-10 |
| ITF M25 Castelo Branco | 2023/07/19 17:00 | Martyn Pawelski v Felix Mischker | 6-4,6-4 |
| ITF M25 Santa Margherita | 2023/05/01 08:00 | Rocco Piatti v Felix Mischker | 6-1,6-2 |
| ITF M25 Santa Margherita | 2023/04/30 08:00 | Paolo Emilio Cossu Floris v Felix Mischker | 2-6,1-6 |
| ITF M15 Antalya | 2023/04/09 06:30 | Felix Mischker v Takuya Kumasaka | 5-7,1-6 |
| ITF M15 Antalya | 2023/04/03 13:40 | Felix Mischker v Sean Hess | 1-6,7-5,9-11 |
| ITF M15 Antalya | 2023/04/02 07:00 | Felix Mischker v Samuil Konov | 3-6,6-3,10-6 |
| ITF M25 Wetzlar | 2023/08/01 10:30 | Facundo Yunis v Raphael Calzi | 6-4,6-1 |
| ITF M25 Wetzlar | 2023/07/31 12:00 | Dimitris Sakellaridis v Raphael Calzi | 2-6,5-7 |
| ITF M25 Esch/Alzette | 2023/07/19 12:45 | Boris Fassbender v Raphael Calzi | 4-6,7-6,6-3 |
| ITF M25 Esch/Alzette | 2023/07/12 07:45 | Raphael Calzi v Niels Visker | 4-6,3-6 |
| ITF M25 Arlon | 2023/06/29 09:50 | Raphael Calzi v Alex Knaff | 2-6,1-6 |
| ITF M25 Arlon | 2023/06/28 12:35 | Louis Van Herck v Raphael Calzi | 6-2,2-6,1-6 |
| ITF M25 Arlon | 2023/06/27 08:00 | Antoine Vincent v Raphael Calzi | 7-6,2-6,2-10 |
| ITF M25 Arlon | 2023/06/26 08:00 | Can Ayral v Raphael Calzi | 3-6,2-6 |