Stadium: Court 9 Round: 44 Ground: Clay
| ITF M25 Maribor Qual | 2023/09/03 10:10 | Jerko Brkic v Pietro R Scomparin | 4-6,7-6,12-10 |
| ATP Umag | 2023/07/22 16:50 | Timofey Skatov v Jerko Brkic | 6-2,6-2 |
| ITF M15 Sarajevo | 2023/06/06 10:00 | Marko Stakusic v Jerko Brkic | 6-4,6-4 |
| ITF M15 Sarajevo | 2023/06/05 08:00 | Jerko Brkic v Gabriel Schenekenberg | 6-2,6-4 |
| ITF M15 Sarajevo | 2023/06/04 07:00 | Strahinja Musicki v Jerko Brkic | 2-6,1-6 |
| ITF M25 Split | 2023/04/19 08:00 | Domagoj Biljesko v Jerko Brkic | 6-3,6-3 |
| ITF M25 Dubrovnik | 2023/04/02 11:30 | Jerko Brkic v Aljaz Jeran | 5-7,7-5,8-10 |
| UTR Pro Zadar | 2023/03/27 11:00 | Jerko Brkic v Noa Vukadin | 2-6,0-3 |
| ITF M15 Kottingbrunn | 2023/08/14 08:00 | Luka Vuglar v Matic Dimic | 1-6,1-6 |
| ITF M15 Kottingbrunn | 2023/08/13 08:00 | Luka Vuglar v Elias Sumann | 6-4,6-3 |
| ITF M25 Osijek | 2023/08/10 09:55 | Luka Mikrut v Luka Vuglar | 6-3,6-2 |
| ITF M25 Osijek | 2023/08/09 08:00 | Stefan Milicevic v Luka Vuglar | 1-6,1-6 |
| ITF M25 Osijek | 2023/08/08 09:55 | Luka Vuglar v Patrik Jurina | 7-5,2-6,10-8 |