Stadium: Court 1 Round: 25 Ground: Carpet indoor
| ITF M25 Esch/Alzette | 2023/07/19 12:45 | Boris Fassbender v Raphael Calzi | 4-6,7-6,6-3 |
| ITF M15 Forbach | 2023/09/25 09:45 | Loan Lestir v Raphael Calzi | 2-6,4-6 |
| ITF M15 Forbach | 2023/09/24 15:30 | Leo Deflandre v Raphael Calzi | 7-6,1-6,9-11 |
| ITF M25 Maribor | 2023/09/04 13:10 | Gasper Bezjak v Raphael Calzi | 2-6,7-5,10-5 |
| ITF M25 Maribor | 2023/08/31 14:25 | Stefan Popovic v Raphael Calzi | 7-6,6-2 |
| ITF M25 Maribor | 2023/08/30 14:00 | Raphael Calzi v Nik Mikovic | 6-4,4-6,6-3 |
| ITF M25 Maribor | 2023/08/29 12:20 | Raphael Calzi v Jan Neuburger-Higby | 6-1,6-1 |
| ITF M25 Maribor | 2023/08/28 15:30 | Raphael Calzi v Vid Mohar | 6-1,6-2 |
| ITF M25 Ystad | 2023/08/16 13:35 | Raphael Calzi v Stijn Pel | 6-2,3-6,3-6 |
| ITF M15 Eupen | 2023/08/09 16:10 | Alessio Basile v Boris Fassbender | 6-4,6-2 |
| ITF M25 Esch/Alzette | 2023/07/20 09:25 | Boris Fassbender v Mikalai Haliak | 2-6,0-6 |
| 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 11:35 | Marcel Zielinski v Boris Fassbender | 6-3,6-1 |
| ITF M25 Esch/Alzette | 2023/07/10 16:20 | Boris Fassbender v Loris Pourroy | 7-6,7-5 |
| ITF M25 Esch/Alzette | 2023/07/10 13:15 | Boris Fassbender v Charles Berna | 6-2,6-2 |
| ITF M25 Arlon | 2023/06/28 07:50 | Boris Fassbender v Sebastian Fanselow | 2-6,3-6 |
| ITF M25 Arlon | 2023/06/27 11:20 | Boris Fassbender v Aaron Gil Garcia | 6-4,2-6,10-4 |