Stadium: Court 8 Round: 54 Ground: Clay
| ITF M15 Villa Maria | 2023/10/29 15:00 | Tobias Sonne v Manuel Mouilleron Salvo | 4-6,3-6 |
| ITF M25 Punta del Este | 2023/09/18 13:00 | Ezequiel Simonit v Tobias Sonne | 6-4,4-6,10-4 |
| ITF M15 Buenos Aires | 2023/08/27 16:00 | Alberto Odiseo Alvarado Berrospi v Tobias Sonne | 6-2,7-6 |
| ITF M25 Brazzaville | 2023/07/26 10:00 | Tobias Sonne v Matias Franco Descotte | 0-6,0-6 |
| ITF M25 Brazzaville Qual | 2023/07/24 10:40 | Tobias Sonne v Michael Bolidard Ibakakomboyo-Ayessa | 6-1,6-0 |
| ITF M25 Brazzaville | 2023/07/19 10:25 | Tobias Sonne v Daniil Savelev | 4-6,0-6 |
| ITF M25 Brazzaville | 2023/07/17 10:20 | Tobias Sonne v Paul-Antoine Brazet | 6-7,6-0,10-3 |
| ITF M25 Santo Domingo | 2023/06/26 15:00 | Marcus McDaniel v Tobias Sonne | 6-3,7-5 |