Stadium: Cancha 4 Round: 25 Ground: Hardcourt outdoor
| Challenger Salinas 2 | 2021/04/27 14:30 | Facundo Diaz Acosta v Benjamin Lock | 6-1,6-2 |
| Challenger Salinas 2 | 2021/04/26 18:25 | Facundo Diaz Acosta v Mathieu Perchicot | 6-1,6-4 |
| Challenger Salinas | 2021/04/20 16:15 | Facundo Diaz Acosta v Tomas Barrios Vera | 2-6,2-6 |
| Challenger Salinas | 2021/04/19 14:30 | Facundo Diaz Acosta v Yusuke Takahashi | 6-2,6-2 |
| Challenger Salinas | 2021/04/18 17:55 | Facundo Diaz Acosta v Juan Diego Rojas | 6-1,6-0 |
| 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 Salinas | 2021/04/21 16:30 | Thiago Agustin Tirante v Kevin King | 6-1,6-2 |
| Challenger Salinas | 2021/04/19 20:55 | Kevin King v Alejandro Tabilo | 3-6,6-4,6-1 |
| Challenger Orlando | 2021/04/13 15:25 | Zane Khan v Kevin King | 6-3,1-6,6-1 |
| Challenger Orlando | 2021/04/12 20:00 | Roberto Quiroz v Kevin King | 6-7,6-2,6-1 |
| Challenger Orlando | 2021/04/12 14:00 | Kevin King v James Ward | 6-3,6-4 |
| Challenger Cleveland | 2021/03/16 00:45 | Kevin King v Yosuke Watanuki | 4-6,6-7 |
| ATP Delray Beach | 2021/01/08 19:10 | Bjorn Fratangelo v Kevin King | 6-2,6-2 |
| ATP Delray Beach | 2021/01/06 20:45 | Goncalo Oliveira v Kevin King | 3-6,3-6 |