Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Bucharest | 2023/08/30 06:30 | Admir Kalender v Arthur Bonnaud | 1-6,2-6 |
| ITF M15 Curtea de Arges | 2023/08/09 09:35 | Admir Kalender v Vlad Andrei Dumitru | 3-6,6-1,6-4 |
| ITF M15 Celje | 2023/06/28 14:15 | Jonas Trinker v Admir Kalender | 6-1,6-4 |
| ITF M15 Litija | 2023/06/15 07:50 | Gal Emersic Potocnik v Admir Kalender | 6-3,2-6,4-6 |
| ITF M15 Litija | 2023/06/13 07:00 | Admir Kalender v Roko Horvat | 1-6,6-3,6-4 |
| ITF M15 Krsko | 2023/05/19 11:40 | Admir Kalender v Lucas Poullain | 2-6,4-6 |
| ITF M15 Krsko | 2023/05/18 14:55 | Lukas Palovic v Admir Kalender | 2-6,6-4,2-6 |
| ITF M15 Doboj | 2023/05/08 08:00 | Admir Kalender v Daniele Minighini | 4-6,6-3,2-10 |