Stadium: Court 1 Round: 25 Ground: Clay
| 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 Krško | 2023/05/19 11:40 | Admir Kalender v Lucas Poullain | 2-6,4-6 |
| ITF M15 Krško | 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 |
| ITF M15 Kuršumlijska Banja | 2023/04/26 07:00 | Admir Kalender v Petr Nesterov | 2-6,6-7 |
| ITF M15 Vilnius | 2023/01/16 09:20 | Admir Kalender v Jesse De Jager | 3-6,4-6 |
| ITF M25 Pitești | 2023/08/02 11:45 | Valentin Vanta v Vlad Andrei Dumitru | 6-1,6-2 |
| ITF M25 Bacău | 2023/07/26 14:25 | Luca Giacomini v Vlad Andrei Dumitru | 6-3,6-4 |
| ITF M25 Brașov | 2023/07/04 08:00 | Vlad Andrei Dumitru v Dragos Nicolae Madaras | 2-6,0-6 |
| ITF M25 Brașov | 2023/07/03 08:20 | Vlad Andrei Dumitru v Markus Wunder | 6-2,6-3 |
| ITF M25 Brașov | 2023/07/02 06:30 | Vlad Andrei Dumitru v Mihnea Petru Zaharia | 7-5,6-0 |
| ITF M15 Cluj-Napoca | 2023/06/20 08:05 | Vlad Andrei Dumitru v Vlad Andrei Dancu | 4-6,1-6 |
| ITF M15 Cluj-Napoca | 2023/06/19 08:55 | Valerio Perruzza v Vlad Andrei Dumitru | 6-2,6-2 |
| ITF M15 Cluj-Napoca | 2023/06/18 10:30 | Dan Radu Munteanu v Vlad Andrei Dumitru | 3-6,0-6 |