Stadium: Central Round: 14 Ground: Hardcourt outdoor
| ATP Buenos Aires | 2021/03/02 16:30 | Facundo Diaz Acosta v Jaume Munar | 6-7,3-6 |
| ATP Cordoba | 2021/02/21 14:00 | Facundo Diaz Acosta v Camilo Ugo Carabelli | 6-4,3-6,2-6 |
| ATP Cordoba | 2021/02/20 13:00 | Sumit Nagal v Facundo Diaz Acosta | 4-6,6-2,3-6 |
| Challenger Concepcion | 2021/02/15 14:00 | Hernan Casanova v Facundo Diaz Acosta | 7-5,6-0 |
| Challenger Concepcion | 2021/02/14 18:00 | Michel Vernier v Facundo Diaz Acosta | 6-3,3-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/02/06 07:30 | Facundo Diaz Acosta v Arnaud Bovy | 6-4,4-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/02/05 10:05 | Facundo Diaz Acosta v Peter Fajta | 6-7,6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2021/02/04 11:20 | Facundo Diaz Acosta v Marko Miladinovic | 6-7,6-3,7-5 |
| Challenger Guayaquil | 2019/10/28 16:00 | Rafael Matos v Juan Diego Rojas | 6-0,6-1 |