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