Stadium: Court 6 Round: 25 Ground: Clay
| 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 M25 Ystad | 2023/08/15 08:35 | Raphael Calzi v Rafael Ymer | 6-1,6-0 |
| ITF M25 Ystad | 2023/08/14 08:40 | Raphael Calzi v Nicolai Zachrisson | 6-0,6-0 |
| ITF M15 Eupen | 2023/08/07 08:00 | Felix Mischker v Raphael Calzi | 7-6,6-4 |
| 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 M15 Novi Sad | 2023/07/23 13:00 | Bautista Vilicich v Nik Mikovic | 6-3,6-3 |
| ITF M25 Biella | 2023/07/05 09:00 | Nik Mikovic v Lorenzo Carboni | 3-6,4-6 |
| ITF M25 Biella | 2023/07/04 15:55 | Federico Campana v Nik Mikovic | 6-7,6-3,5-7 |
| ITF M25 Biella | 2023/07/03 14:00 | Stefano D'Agostino v Nik Mikovic | 3-6,2-6 |
| ITF M15 Celje | 2023/06/26 14:00 | Nik Mikovic v Timofey Stepanov | 2-6,2-6 |
| ITF M15 Store | 2023/06/19 12:30 | Dennis Dragomirov v Nik Mikovic | 6-3,6-1 |
| ITF M15 Litija | 2023/06/12 07:00 | Peter Goldsteiner v Nik Mikovic | 6-1,6-4 |
| ITF M15 Warmbad-Villach | 2023/05/25 08:30 | Tim Handel v Nik Mikovic | 7-6,6-0 |