Stadium: PRACTICE COURT 7 Round: 44 Ground: Hardcourt indoor
| ITF M15 Los Angeles | 2023/06/21 18:00 | Daniel De Jonge v Alafia Ayeni | 2-6,2-6 |
| ITF M15 Los Angeles | 2023/06/20 17:00 | Rudy Quan v Daniel De Jonge | 4-6,2-6 |
| ITF M15 San Diego | 2023/06/08 16:55 | Jaimee Floyd Angele v Daniel De Jonge | 6-2,6-2 |
| ITF M15 San Diego | 2023/06/07 18:55 | Nikhil Niranjan v Daniel De Jonge | 0-6,4-6 |
| ITF M15 San Diego | 2023/06/06 16:00 | Daniel De Jonge v Piotr Galus | 6-2,6-2 |
| ITF M15 San Diego | 2023/06/05 17:00 | Roi Ginat v Daniel De Jonge | 2-6,6-4,3-10 |
| ITF M15 Rancho Santa Fe | 2023/05/30 16:00 | Aleksa Ciric v Daniel De Jonge | 2-6,7-6,13-11 |
| ITF M15 Rancho Santa Fe | 2023/05/29 20:30 | Liam Oliver Toroman v Daniel De Jonge | 2-6,3-6 |
| ITF M15 Kamen | 2023/06/26 10:00 | Karlo Cubelic v Nino Toto | 6-2,6-2 |
| ITF M15 Duffel | 2023/06/12 08:00 | Marlon Vankan v Karlo Cubelic | 3-6,7-5,10-6 |
| ITF M15 Duffel | 2023/06/11 14:00 | Andre Megrabian v Karlo Cubelic | 3-6,1-6 |
| ITF M25 Sharm El Sheikh | 2023/04/19 11:20 | Karlo Cubelic v Robin Bertrand | 2-6,2-6 |
| ITF M25 Sharm El Sheikh | 2023/04/18 10:20 | Karlo Cubelic v Yurii Dzhavakian | 6-7,0-6 |
| ITF M25 Sharm El Sheikh | 2023/04/17 10:50 | Karlo Cubelic v Jason Janis | 6-0,6-1 |
| ITF M25 Sharm El Sheikh | 2023/04/10 08:30 | John Echeverria v Karlo Cubelic | 7-6,6-3 |
| ITF M25 Sharm El Sheikh | 2023/04/09 08:00 | Volodymyr Uzhylovskyi v Karlo Cubelic | 4-6,4-6 |