Stadium: Quadra Central Round: 26 Ground: Clay
| ITF M25 - Lima | 2020/02/14 17:25 | Pedro Sakamoto v Gonzalo Villanueva | 6-3,6-4 |
| Challenger - Buenos Aires | 2018/11/11 20:15 | Pedro Sakamoto v Gonzalo Villanueva | 5-7,6-4,2-6 |
| Challenger - Santos | 2024/05/07 15:00 | Pedro Sakamoto v Luis Felipe Miguel | 6-4,6-1 |
| Challenger - Porto Alegre | 2024/04/30 16:15 | Guido Ivan Justo v Pedro Sakamoto | 6-2,2-6,6-3 |
| Challenger - Florianopolis | 2024/04/01 18:00 | Pedro Sakamoto v Joao Lucas Reis da Silva | 5-7,5-7 |
| Challenger - Sao Leopoldo | 2024/03/28 18:30 | Pedro Sakamoto v Orlando Luz | 4-6,6-4,4-6 |
| Challenger - Sao Leopoldo | 2024/03/26 21:25 | Pedro Sakamoto v Bruno Kuzuhara | 6-2,6-0 |
| Challenger - Asunción | 2024/03/21 23:00 | Pedro Sakamoto v Gustavo Heide | 1-6,3-6 |
| Challenger - Asunción | 2024/03/19 23:20 | Carlos Sanchez Jover v Pedro Sakamoto | 3-6,4-6 |
| ITF M25 - Feira De Santana | 2024/03/14 13:00 | Harrison Adams v Pedro Sakamoto | 6-2,6-0 |
| Challenger - Santos | 2024/05/06 20:30 | Wilson Leite v Gonzalo Villanueva | 4-6,2-6 |
| Challenger - Porto Alegre | 2024/05/02 13:00 | Daniel Dutra Da Silva v Gonzalo Villanueva | 6-1,6-3 |
| Challenger - Porto Alegre | 2024/04/30 14:30 | Luis Felipe Miguel v Gonzalo Villanueva | 2-6,0-6 |
| Challenger - Concepcion | 2024/04/23 19:55 | Gonzalo Villanueva v Stefanos Sakellaridis | 3-6,4-6 |
| Challenger - San Miguel de Tucuman | 2024/04/19 14:00 | Andrea Collarini v Gonzalo Villanueva | 6-3,6-2 |
| Challenger - San Miguel de Tucuman | 2024/04/16 17:15 | Alejo Lorenzo Lingua Lavallen v Gonzalo Villanueva | 6-7,3-6 |
| Challenger - Florianopolis | 2024/04/02 22:45 | Daniel Dutra Da Silva v Gonzalo Villanueva | 4-6,7-6,6-2 |
| Challenger - Sao Leopoldo | 2024/03/26 18:40 | Juan Pablo Varillas v Gonzalo Villanueva | 7-5,7-6 |