Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF M15 San Diego | 2024/06/10 17:00 | Joshua Charlton v Marco Alvarez | 6-3,6-1 |
| ITF M15 San Diego | 2024/06/07 19:10 | Joshua Charlton v Alafia Ayeni | 6-7,3-6 |
| ITF M15 San Diego | 2024/06/06 17:45 | Joshua Charlton v Vito Tonejc | 2-6,7-5,6-3 |
| ITF M15 San Diego | 2024/06/04 22:00 | Joshua Charlton v Jake Van Emburgh | 6-2,6-4 |
| ITF M15 San Diego | 2024/06/04 16:00 | Sebastian Gorzny v Joshua Charlton | 7-6,6-1 |
| ITF M15 San Diego | 2024/06/03 16:00 | Jacob Bullard v Joshua Charlton | 6-3,3-6,9-11 |
| ITF M15 San Diego | 2024/05/28 16:00 | Joshua Charlton v Aleksa Ciric | 3-6,7-5,8-10 |
| ITF M15 San Diego | 2024/05/27 19:00 | Joshua Charlton v Avery Tallakson | 6-2,6-3 |
| ITF M15 San Diego | 2024/06/04 16:00 | Stian Klaassen v Christopher Bulus | 4-6,2-6 |
| ITF M15 San Diego | 2024/06/03 16:00 | Benjamin Thomas George v Stian Klaassen | 0-6,0-6 |
| ITF M15 San Diego | 2024/05/27 16:00 | Robin Catry v Stian Klaassen | 6-3,6-4 |
| ITF M15 Eindhoven | 2023/08/02 11:00 | Elmer Moller v Stian Klaassen | 6-0,6-2 |
| ITF M15 Eindhoven | 2023/08/01 14:40 | Stian Klaassen v Fons Van Sambeek | 7-6,6-3 |
| ITF M15 Eindhoven | 2023/07/31 08:00 | Jack Loge v Stian Klaassen | 2-6,3-6 |
| ITF M15 Eindhoven | 2023/07/30 07:00 | Stian Klaassen v Twan Van Zijl | 6-3,6-1 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Frederic Vogeli v Stian Klaassen | 6-2,6-7,10-5 |