| UTR Pro Zadar | 2023/10/17 09:00 | Brkic, Jerko v 라오렌트, 야나이스 | 3-6,2-6 |
| UTR Pro Zadar | 2023/10/16 06:00 | 비안치니 보고, 엔리크 v Brkic, Jerko | 2-6,3-6 |
| ITF M15 Kursumlijska Banja | 2023/09/18 09:30 | 에스쿠라 이스나디, 헤르난도 조세 v Brkic, Jerko | 6-3,6-4 |
| ITF M15 Kursumlijska Banja | 2023/09/17 08:30 | 시젤-지브코비치, 스테판 v Brkic, Jerko | 3-6,6-4,8-10 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/06 13:40 | Maximilian Figl v Brkic, Jerko | 3-6,6-3,7-5 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/05 10:35 | 미클라브칙, 루카 v Brkic, Jerko | 6-7,2-6 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/04 13:05 | Brkic, Jerko v Luka Vuglar | 6-1,6-3 |
| ITF M25 Maribor Qual | 2023/09/03 10:10 | Brkic, Jerko v 스콤파린, 피에트로 로메오 | 4-6,7-6,12-10 |
| ITF M15 Bad Waltersdorf | 2023/10/02 08:00 | Kupcic, Jan v Josip Simundza | 6-3,6-2 |
| ITF M15 Bad Waltersdorf | 2023/10/01 09:00 | Leon Benedict v Josip Simundza | 2-6,2-6 |
| ITF M25 Madrid | 2023/09/10 15:00 | Josip Simundza v Rodrigo Mora Clement | 6-2,6-4 |
| ITF M15 Budapest | 2023/09/06 10:00 | Josip Simundza v Decamps, Gabriel | 1-6,4-6 |
| ITF M15 Budapest | 2023/09/04 10:00 | Josip Simundza v Kevin Humpfner | 2-6,3-6 |
| ITF M15 Budapest | 2023/09/03 09:30 | Josip Simundza v Gregor Hausberger | 6-1,5-7,12-10 |
| ITF M25 Osijek | 2023/08/08 11:15 | 오브라도비치, 두산 v Josip Simundza | 6-3,6-4 |
| ITF M15 Celje | 2023/06/27 08:45 | Josip Simundza v 말지아리타, 마우루스 | 2-6,6-7 |