Stadium: Centre Court Round: 54 Ground: Clay
| ITF M25 Santo Domingo | 2023/06/26 15:00 | Marcus McDaniel v Tobias Sonne | 6-3,7-5 |
| ITF M25 Santo Domingo | 2023/06/25 15:00 | Juan Arturo Espanol Moreno v Tobias Sonne | 2-6,6-4,7-10 |
| ITF M25 Santo Domingo | 2023/06/18 16:30 | Tobias Sonne v Alfredo Casso | 4-6,6-1,7-10 |
| ITF M15 Tabasco | 2023/05/23 16:00 | Tobias Sonne v Preston Brown | 1-6,1-6 |
| ITF M15 Tabasco | 2023/05/22 16:00 | Tobias Sonne v Diego Marin | 6-3,6-4 |
| ITF M15 Tabasco | 2023/05/21 16:00 | Yahir Emiliano Moheno v Tobias Sonne | 2-6,2-6 |
| ITF M25 Xalapa | 2023/05/14 17:00 | Tobias Sonne v Graham Maassen | 6-4,4-6,10-12 |
| ITF M15 Mogi das Cruzes | 2023/04/24 16:00 | Tobias Sonne v Felipe Derdoy | 0-6,2-6 |