Stadium: Center Court Round: 25 Ground: Clay
| ITF M15 Novi Sad | 2023/08/05 08:00 | Matej Dodig v Dusan Obradovic | 7-6,6-3 |
| ITF M15 Novi Sad | 2023/08/04 08:00 | Dusan Obradovic v Duje Kekez | 6-2,6-3 |
| ITF M15 Novi Sad | 2023/08/03 09:25 | Viktor Jovic v Dusan Obradovic | 0-6,6-3,2-6 |
| ITF M15 Novi Sad | 2023/08/02 12:10 | Vuk Radjenovic v Dusan Obradovic | 4-6,4-6 |
| ITF M15 Novi Sad | 2023/07/26 10:00 | Valerio Aboian v Dusan Obradovic | 6-3,6-2 |
| ITF M15 Belgrade | 2023/06/29 09:15 | Leonardo Aboian v Dusan Obradovic | 6-3,6-2 |
| ITF M15 Belgrade | 2023/06/27 11:55 | Dusan Obradovic v Strahinja Cejovic | 6-1,6-1 |
| ITF M15 Kursumlijska Banja | 2023/06/21 15:45 | Dusan Obradovic v Marat Sharipov | 3-6,7-6,1-6 |
| ITF M15 Celje | 2023/06/27 08:45 | Josip Simundza v Maurus Malgiaritta | 2-6,6-7 |
| ITF M15 Celje | 2023/06/26 09:30 | Michal Novansky v Josip Simundza | 2-6,4-6 |
| ITF M15 Store | 2023/06/20 08:00 | Filip Jeff Planinsek v Josip Simundza | 3-6,6-3,10-8 |
| ITF M15 Store | 2023/06/19 12:50 | Edison Ambarzumjan v Josip Simundza | 4-6,3-6 |
| ITF M15 Litija | 2023/06/15 11:50 | Sebastian Prechtel v Josip Simundza | 7-5,6-1 |
| ITF M15 Litija | 2023/06/14 07:55 | Josip Simundza v Matic Kriznik | 7-6,6-1 |
| ITF M15 Litija | 2023/06/13 07:00 | Josip Simundza v Matic Dimic | 6-3,6-2 |
| ITF M15 Litija | 2023/06/12 07:00 | Zak Talic v Josip Simundza | 1-6,3-6 |