Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Store | 2023/06/19 12:20 | Filip Jeff Planinsek v Tilen Kovac | 6-4,6-2 |
| ITF M15 Litija | 2023/06/14 12:10 | Filip Jeff Planinsek v Enrico Dalla Valle | 6-3,6-7,5-7 |
| ITF M15 Tallahassee | 2022/10/25 14:00 | William Grant v Filip Jeff Planinsek | 6-0,5-7,6-4 |
| ITF M25 Radomlje | 2022/07/21 08:00 | Filip Jeff Planinsek v Nicolas Zanellato | 4-6,3-6 |
| ITF M25 Radomlje | 2022/07/20 13:00 | Ergi Kirkin v Filip Jeff Planinsek | 6-7,4-6 |
| ITF M25 Radomlje | 2022/07/18 09:50 | Nejc Skorjanc v Filip Jeff Planinsek | 2-6,1-6 |
| ITF M25 Radomlje | 2022/07/17 12:35 | Filip Jeff Planinsek v Michalis Sakellaridis | 6-0,6-4 |
| ITF M15 Litija | 2022/07/14 15:00 | Filip Jeff Planinsek v Bor Artnak | 6-3,4-6,3-6 |
| 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 |
| ITF M15 Sarajevo | 2023/06/06 11:50 | Nikola Basic v Josip Simundza | 2-6,6-3,10-4 |
| ITF M15 Osijek | 2023/05/03 09:40 | Josip Simundza v Mohamed Safwat | 1-6,1-6 |
| ITF M25 Split | 2023/04/20 10:45 | Gergely Madarasz v Josip Simundza | 7-5,6-2 |