Stadium: Court 09 Round: 25 Ground: Clay
| ITF M15 Warmbad-Villach | 2023/05/22 08:00 | Filippo Speziali v Nik Mikovic | 2-6,6-7 |
| ITF M15 Warmbad-Villach | 2023/05/21 12:00 | Nik Mikovic v Miha Vetrih | 3-6,6-4,10-7 |
| ITF M15 Warmbad-Villach | 2023/05/21 07:00 | Lukas Rohseano v Nik Mikovic | 3-6,4-6 |
| ITF M15 Krsko | 2023/05/18 09:55 | Nik Mikovic v Lukas Pokorny | 3-6,1-6 |
| ITF M15 Osijek | 2023/05/03 14:15 | Lorenzo Bocchi v Nik Mikovic | 7-6,5-7,6-2 |
| ITF M15 Osijek | 2023/05/02 08:00 | Vito Dell'Elba v Nik Mikovic | 6-3,6-7,4-10 |
| 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 | Leon Formella v Nik Mikovic | 6-2,3-6,3-10 |