Stadium: Court Diego Schwarzman Round: 27 Ground: Clay
| Challenger Sao Paulo | 2021/11/30 16:55 | Facundo Diaz Acosta v Gonzalo Villanueva | 7-5,6-1 |
| ITF M25 Río Cuarto | 2020/02/25 18:30 | Facundo Diaz Acosta v Gonzalo Villanueva | 6-2,7-5 |
| ITF M15 Buenos Aires | 2019/09/20 15:00 | Facundo Diaz Acosta v Gonzalo Villanueva | 5-7,1-6 |
| Challenger Buenos Aires | 2022/01/06 17:30 | Genaro Alberto Olivieri v Gonzalo Villanueva | 4-6,1-6 |
| Challenger Buenos Aires | 2022/01/04 18:25 | Gonzalo Villanueva v Alec Deckers | 7-6,6-4 |
| Challenger Rio de Janeiro | 2021/12/13 16:00 | Gonzalo Villanueva v Kaichi Uchida | 3-6,4-6 |
| Challenger Florianopolis | 2021/12/09 13:00 | Nicolas Barrientos v Gonzalo Villanueva | 7-6,6-1 |
| Challenger Florianopolis | 2021/12/07 16:05 | Pedro Boscardin Dias v Gonzalo Villanueva | 6-4,5-7,2-6 |
| Challenger Sao Paulo | 2021/11/30 16:55 | Facundo Diaz Acosta v Gonzalo Villanueva | 7-5,6-1 |
| Challenger Sao Paulo | 2021/11/29 15:05 | Gonzalo Villanueva v Alejandro Gomez | 6-4,7-6 |
| Challenger Sao Paulo | 2021/11/28 13:00 | Gonzalo Villanueva v Tomas Lipovsek Puches | 3-6,6-3,6-1 |
| Challenger Buenos Aires | 2022/01/06 15:40 | Mariano Navone v Facundo Diaz Acosta | 3-6,2-6 |
| Challenger Buenos Aires | 2022/01/04 13:00 | Lautaro Midon v Facundo Diaz Acosta | 5-7,3-6 |
| Challenger Rio de Janeiro | 2021/12/13 17:20 | Facundo Diaz Acosta v Nicolas Alvarez Varona | 3-6,6-4,3-6 |
| Challenger Florianopolis | 2021/12/08 17:50 | Facundo Juarez v Facundo Diaz Acosta | 3-6,7-5,6-2 |
| Challenger Florianopolis | 2021/12/06 16:35 | Facundo Diaz Acosta v Kaichi Uchida | 6-4,6-3 |
| Challenger Sao Paulo | 2021/12/03 13:00 | Facundo Diaz Acosta v Luciano Darderi | 3-6,4-6 |
| Challenger Sao Paulo | 2021/12/02 17:00 | Thiago Seyboth Wild v Facundo Diaz Acosta | 3-6,5-7 |
| Challenger Sao Paulo | 2021/11/30 16:55 | Facundo Diaz Acosta v Gonzalo Villanueva | 7-5,6-1 |