Stadium: Cancha 3 Round: 27 Ground: Hardcourt outdoor
| Challenger Salinas 2 | 2021/04/29 17:15 | Menendez-Maceiras, Adrian v King, Kevin | 1-6,6-2,5-7 |
| Challenger Salinas 2 | 2021/04/28 17:00 | Facundo Diaz Acosta v King, Kevin | 4-6,3-6 |
| Challenger Salinas | 2021/04/21 16:30 | Thiago Agustin Tirante v King, Kevin | 6-1,6-2 |
| Challenger Salinas | 2021/04/19 20:55 | King, Kevin v Alejandro Tabilo | 3-6,6-4,6-1 |
| Orlando, USA | 2021/04/13 15:25 | Khan, Zane v King, Kevin | 6-3,1-6,6-1 |
| Orlando, USA | 2021/04/12 20:00 | Quiroz, Roberto v King, Kevin | 6-7,6-2,6-1 |
| Orlando, USA | 2021/04/12 14:00 | King, Kevin v Ward, James | 6-3,6-4 |
| Challenger - Cleveland | 2021/03/16 00:45 | King, Kevin v Yosuke Watanuki | 4-6,6-7 |
| Challenger Salinas 2 | 2021/04/29 16:30 | Dougaz, Aziz v Velotti, Agustin | 4-6,6-4,5-7 |
| Challenger Salinas 2 | 2021/04/27 18:00 | Velotti, Agustin v Roberto Cid Subervi | 5-7,6-4,7-6 |
| Challenger - Tallahassee | 2021/04/20 16:55 | Yosuke Watanuki v Velotti, Agustin | 6-3,6-4 |
| Challenger - Tallahassee | 2021/04/19 15:00 | Velotti, Agustin v Bangoura, Sekou | 2-6,6-3,6-0 |
| Challenger - Tallahassee | 2021/04/18 22:40 | Velotti, Agustin v Gregg, Perry | 6-4,6-3 |
| ATP - Acapulco | 2021/03/15 00:55 | Lorenzo Musetti v Velotti, Agustin | 6-3,7-5 |
| ATP - Acapulco | 2021/03/14 04:35 | Guido Ivan Justo v Velotti, Agustin | 0-6,1-6 |
| ATP - Santiago | 2021/03/08 14:00 | Alejandro Tabilo v Velotti, Agustin | 7-6,6-1 |