Stadium: Court 22 Round: 62 Ground: Clay
| ITF M15 Antalya | 2023/11/06 07:00 | A.J Catanzariti v Josip Simundza | 5-7,6-7 |
| ITF M15 Antalya | 2023/11/05 07:00 | Josip Simundza v Aleksei Khomich | 6-4,7-6 |
| UTR Pro Zadar | 2023/10/22 13:00 | Christos Keisidis v Josip Simundza | 7-6,6-3 |
| UTR Pro Zadar | 2023/10/20 09:49 | Yanais Laurent v Josip Simundza | 6-2,6-3 |
| UTR Pro Zadar | 2023/10/19 10:09 | Enrique Bogo v Josip Simundza | 3-6,3-5 |
| UTR Pro Zadar | 2023/10/18 10:12 | Jerko Brkic v Josip Simundza | 3-6,6-3,3-6 |
| ITF M15 Bad Waltersdorf | 2023/10/02 08:00 | Jan Kupcic 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 M15 Antalya | 2023/11/06 08:10 | Giulio Colacioppo v Nikola Puntaric | 6-2,6-7,10-7 |
| ITF M15 Antalya | 2023/11/05 07:00 | Giulio Colacioppo v Gabriel Wien | 6-0,6-4 |
| ITF M25 Santa Margherita | 2023/10/22 08:00 | Denis Constantin Spiridon v Giulio Colacioppo | 6-3,2-6,10-5 |
| ITF M15 Bergamo | 2023/06/28 09:45 | Giulio Colacioppo v Luigi Castelletti | 6-1,4-6,3-6 |
| ITF M15 Bergamo | 2023/06/26 10:00 | Teo Masera v Giulio Colacioppo | 3-6,2-6 |
| ITF M15 Bergamo | 2023/06/25 08:40 | Giulio Colacioppo v Ignacio Novo | 6-3,6-3 |
| ITF M25 Cattolica | 2023/06/18 11:35 | Federico Marchetti v Giulio Colacioppo | 6-4,6-1 |
| ITF M15 Antalya | 2022/12/06 06:30 | Mikhail Gorokhov v Giulio Colacioppo | 6-2,1-6,17-15 |