Stadium: Court T15 Round: 62 Ground: Clay
| ITF M15 Budapest | 2023/09/06 10:00 | Josip Simundza v Gabriel Decamps | 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 | Dusan Obradovic v Josip Simundza | 6-3,6-4 |
| 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 Madrid | 2023/09/03 12:00 | Rodrigo Mora Clement v Vitali Shvets | 4-6,0-6 |
| ITF M15 Xativa | 2023/07/30 07:00 | Rodrigo Mora Clement v Pedro Iamachkine | 2-6,3-6 |
| ITF M25 Denia | 2023/07/23 09:00 | Rodrigo Mora Clement v Carlos Guerrero Alvarez | 1-6,0-6 |
| ITF M25 Gandia | 2023/07/16 07:00 | Rodrigo Mora Clement v Radovan Michalik | 2-6,2-6 |
| ITF M25 La Nucia | 2023/05/30 09:00 | Rodrigo Mora Clement v Carles Hernandez | 0-6,0-6 |
| ITF M25 La Nucia | 2023/05/29 17:00 | Itay Bity v Rodrigo Mora Clement | 3-6,6-3,7-10 |
| ITF M15 Telde | 2023/04/16 13:30 | David Naharro v Rodrigo Mora Clement | 6-3,6-3 |
| ITF M15 Telde | 2023/04/11 10:40 | Rodrigo Mora Clement v Marcel Zielinski | 6-4,0-6,0-6 |