Stadium: Cancha 5 Round: 62 Ground: Clay
| ITF M15 Santa Cruz | 2023/11/26 18:15 | Ryan A Dos Santos v Joel Angel Lucero | 4-6,2-6 |
| ITF M15 Santa Cruz | 2023/11/26 14:00 | Eugenio Almeida Junior v Ryan A Dos Santos | 6-7,4-6 |
| ITF M15 Rosario | 2023/11/06 13:00 | Federico Juan Aguilar v Ryan A Dos Santos | 7-5,6-4 |
| ITF M15 Rosario | 2023/11/05 12:00 | Ryan A Dos Santos v Ignacio Novo | 6-3,7-5 |
| ITF M15 Villa Maria | 2023/10/30 13:00 | Sean Hess v Ryan A Dos Santos | 7-6,6-3 |
| ITF M15 Villa Maria | 2023/10/29 13:00 | Mateo Branc v Ryan A Dos Santos | 1-6,4-6 |
| Challenger Curitiba | 2023/10/22 17:40 | Mateus Alves v Ryan A Dos Santos | 6-2,6-3 |
| ITF M25 Lajeado | 2023/10/10 12:55 | Francisco Pini v Ryan A Dos Santos | 6-2,5-7,15-13 |