Stadium: Cancha 5 Round: 26 Ground: Hardcourt outdoor
| Challenger Salinas 2 | 2021/04/28 16:30 | Gonzalo Villanueva v Hernan Casanova | 7-5,6-0 |
| Challenger Salinas 2 | 2021/04/27 14:30 | Gonzalo Villanueva v David Poljak | 5-7,7-6,7-6 |
| Challenger Salinas | 2021/04/19 14:30 | Gonzalo Villanueva v Nicolas Mejia | 3-6,0-6 |
| Challenger Salinas | 2021/04/18 15:00 | Gonzalo Villanueva v Felix Corwin | 6-7,6-4,7-5 |
| ITF M15 Cordoba | 2021/04/06 12:00 | Gonzalo Villanueva v Valerio Aboian | 6-7,3-6 |
| ITF M15 Cordoba | 2021/04/05 14:00 | Gonzalo Villanueva v Mateo Berne | 6-3,6-1 |
| ITF M15 Villa Maria | 2021/04/01 15:00 | Matheus Pucinelli De Almeida v Gonzalo Villanueva | 6-4,6-3 |
| ITF M15 Villa Maria | 2021/03/31 13:00 | Luciano Carraro v Gonzalo Villanueva | 5-7,6-0,4-6 |
| Challenger Salinas 2 | 2021/04/28 15:00 | JC Aragone v Roberto Quiroz | 6-2,6-7,6-2 |
| Challenger Salinas | 2021/04/20 17:15 | JC Aragone v Altug Celikbilek | 2-6,6-7 |
| Challenger Orlando | 2021/04/12 20:35 | Martin Damm v JC Aragone | 3-6,7-5,6-3 |
| Challenger Orlando | 2021/04/12 14:00 | JC Aragone v Thomaz Bellucci | 6-3,7-6 |
| Challenger Cleveland | 2021/03/16 02:00 | Alexander Ritschard v JC Aragone | 7-6,5-7,7-5 |
| ITF M25 Naples | 2021/02/24 19:30 | JC Aragone v Martin Damm | 6-4,2-6,3-6 |
| ITF M25 Naples | 2021/02/17 16:45 | Strong Kirchheimer v JC Aragone | 3-6,6-2,6-1 |
| UTR Pro Tennis Series California | 2021/02/14 18:00 | JC Aragone v Alexander Lebedev | 4-6,6-2,2-6 |