Stadium: Court 08 Round: 44 Ground: Clay
| ITF M25 Reggio Emilia | 2023/05/15 15:00 | Luca Castagnola v Louroi Martinez | 6-1,4-6,10-12 |
| ITF M25 Reggio Emilia | 2023/05/15 08:00 | Luca Castagnola v Patric Prinoth | 6-2,6-1 |
| Challenger Cagliari | 2023/05/01 11:55 | Gianluca Mager v Luca Castagnola | 6-4,4-6,6-4 |
| ITF M25 Santa Margherita | 2023/04/24 14:25 | Luca Castagnola v Tommaso Compagnucci | 4-6,5-7 |
| Challenger Roseto | 2023/04/16 11:20 | Luca Castagnola v Gian Marco Moroni | 7-5,3-6,1-6 |
| ITF M25 Santa Margherita | 2023/04/09 08:30 | Luca Castagnola v Daniele Minighini | 6-4,0-6,11-13 |
| ITF M25 Santa Margherita | 2023/04/03 12:35 | Gianmarco Ferrari v Luca Castagnola | 4-6,6-2,7-6 |
| ITF M25 Opatija | 2023/03/21 15:30 | Luca Castagnola v Matic Dimic | 3-6,7-5,5-10 |
| ITF M15 Warmbad-Villach | 2023/05/21 07:00 | Morris Kipcak v Luka Miklavcic | 0-6,6-1,4-10 |
| ITF M15 Prijedor | 2023/05/15 09:00 | Tim Ruehl v Luka Miklavcic | 6-3,7-5 |
| ITF M15 Doboj | 2023/05/09 08:00 | Lautaro Agustin Falabella v Luka Miklavcic | 2-6,6-3,10-6 |
| ITF M15 Doboj | 2023/05/08 08:00 | Vito Dell'Elba v Luka Miklavcic | 5-7,6-3,3-10 |
| ITF M15 Osijek | 2023/05/01 10:25 | Nik Mikovic v Luka Miklavcic | 6-2,7-6 |
| ITF M15 Osijek | 2023/04/30 09:30 | Andre Filep v Luka Miklavcic | 4-6,1-6 |
| ITF M25 Split | 2023/04/19 07:55 | Milos Karol v Luka Miklavcic | 6-2,7-5 |
| ITF M25 Split | 2023/04/18 09:45 | Luka Miklavcic v Alexandar Balj | 1-6,6-0,10-6 |