Stadium: Quadra Central Round: 25 Ground: Clay
| Challenger Florianopolis | 2023/04/17 13:30 | Facundo Juarez v Pedro Sakamoto | 2-6,7-6,4-6 |
| Challenger Florianopolis | 2023/04/16 15:20 | Pedro Sakamoto v Tomas Lipovsek Puches | 6-1,6-2 |
| ITF M25 Mosquera | 2023/03/21 14:30 | Pedro Sakamoto v Paulo A S Dos Santos | 6-1,5-7,6-10 |
| ITF M25 Mosquera | 2023/03/20 15:00 | Joao Victor C Loureiro v Pedro Sakamoto | 3-6,4-6 |
| ITF M25 Anapoima | 2023/03/13 20:10 | Mateo Barreiros Reyes v Pedro Sakamoto | 7-6,7-6 |
| ITF M25 Anapoima | 2023/03/12 15:00 | Felipe Pinzon Moreno v Pedro Sakamoto | 4-6,7-5,7-10 |
| UTR Pro Rio de Janeiro | 2023/01/04 12:00 | Pedro Sakamoto v Lucas Obeid | 6-2,6-2 |
| UTR Pro Rio de Janeiro | 2023/01/03 12:00 | Pedro Sakamoto v Petr Iamachkine | 3-6,6-0,5-1 |
| ITF M25 Vacaria | 2022/11/30 15:35 | Roman Andres Burruchaga v Gustavo R de Almeida | 6-4,6-0 |
| ITF M25 Lajeado | 2022/11/23 13:00 | Enrique Bogo v Gustavo R de Almeida | 6-4,6-1 |
| ITF M25 Rio de Janeiro | 2022/10/19 14:00 | Leonardo Aboian v Gustavo R de Almeida | 6-1,6-3 |
| ITF M25 Rio de Janeiro | 2022/10/17 16:10 | Rafael Tosetto v Gustavo R de Almeida | 2-6,2-6 |
| ITF M15 Brasilia | 2022/08/23 13:00 | Joao Eduardo Schiessl v Gustavo R de Almeida | 6-4,3-6,10-7 |
| ITF M15 Brasilia | 2022/08/22 13:00 | Gustavo R de Almeida v Joao Giannella | 6-1,4-6,11-9 |
| ITF M15 Recife | 2022/08/17 18:40 | Gustavo R de Almeida v Matias Franco Descotte | 2-6,3-6 |