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 | Pawelski, Martyn v Felix Mischker | 6-4,6-4 |
| ITF M25 Santa Margherita | 2023/05/01 08:00 | Piatti, Rocco v Felix Mischker | 6-1,6-2 |
| ITF M25 Santa Margherita | 2023/04/30 08:00 | Cossu Floris, Paolo Emilio v Felix Mischker | 2-6,1-6 |
| ITF M15 Antalya | 2023/04/09 06:30 | Felix Mischker v 쿠마사카, 타쿠야 | 5-7,1-6 |
| ITF M15 Antalya | 2023/04/03 13:40 | Felix Mischker v Hess, Sean | 1-6,7-5,9-11 |
| ITF M15 Antalya | 2023/04/02 07:00 | Felix Mischker v 코노브, 사무일 | 3-6,6-3,10-6 |
| ITF M25 Wetzlar | 2023/08/01 10:30 | Yunis, Facundo v 칼지, 라파엘 | 6-4,6-1 |
| ITF M25 Wetzlar | 2023/07/31 12:00 | Dimitris Sakellaridis v 칼지, 라파엘 | 2-6,5-7 |
| ITF M25 Esch/Alzette | 2023/07/19 12:45 | 파스벤더, 보리스 v 칼지, 라파엘 | 4-6,7-6,6-3 |
| ITF M25 Esch/Alzette | 2023/07/12 07:45 | 칼지, 라파엘 v 비스커, 니엘스 | 4-6,3-6 |
| ITF M25 Arlon | 2023/06/29 09:50 | 칼지, 라파엘 v 나프, 알렉스 | 2-6,1-6 |
| ITF M25 Arlon | 2023/06/28 12:35 | van Herck, Louis v 칼지, 라파엘 | 6-2,2-6,1-6 |
| ITF M25 Arlon | 2023/06/27 08:00 | Vincent, Antoine v 칼지, 라파엘 | 7-6,2-6,2-10 |
| ITF M25 Arlon | 2023/06/26 08:00 | Can Ayral v 칼지, 라파엘 | 3-6,2-6 |