Stadium: Court 3 Round: 54 Ground: Clay
| ITF M25 Osijek | 2023/08/09 13:00 | Nikola Basic v Matej Dodig | 1-6,2-6 |
| ITF M15 Litija | 2023/06/14 12:10 | Nikola Basic v Olaf Pieczkowski | 0-6,2-6 |
| ITF M15 Litija | 2023/06/13 07:00 | Nikola Basic v Igor Dudun | 6-1,6-4 |
| ITF M15 Litija | 2023/06/12 11:00 | Nikola Basic v Leon Benedict | 6-3,6-0 |
| ITF M15 Sarajevo | 2023/06/08 06:55 | Jakub Paul v Nikola Basic | 6-1,6-0 |
| ITF M15 Sarajevo | 2023/06/07 08:50 | Samuel Puskar v Nikola Basic | 5-7,6-3,3-6 |
| ITF M15 Sarajevo | 2023/06/06 11:50 | Nikola Basic v Josip Simundza | 2-6,6-3,10-4 |
| ITF M15 Sarajevo | 2023/06/05 08:00 | Nikola Basic v Andrej Djokic | 6-2,6-2 |
| ITF M25 Bolzano | 2023/07/31 10:20 | Manuel Plunger v Christian Fellin | 6-4,7-5 |
| ITF M25 Bolzano | 2023/07/30 14:00 | Davide Galvanin v Christian Fellin | 4-6,2-6 |
| ITF M25 Telfs | 2023/07/17 07:00 | Timofey Stepanov v Christian Fellin | 6-3,6-3 |
| ITF M25 Biella | 2023/07/03 07:00 | Christian Fellin v Gabriel Schenekenberg | 6-7,6-7 |
| ITF M15 Bergamo | 2023/06/26 08:00 | Stefano D'Agostino v Christian Fellin | 7-5,7-5 |
| ITF M15 Bergamo | 2023/06/25 07:00 | Laurin Aerne v Christian Fellin | 3-6,3-6 |
| ITF M25 Cattolica | 2023/06/20 09:55 | Gabriele Piraino v Christian Fellin | 6-4,6-3 |
| ITF M25 Cattolica | 2023/06/19 09:00 | Leonardo Taddia v Christian Fellin | 6-3,5-7,6-10 |