| UTR Pro Tennis Series Manzanillo | 2021/08/11 16:00 | Takeyasu Sekiguchi v Juan A H Serrano | 4-6,6-3,3-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/10 13:00 | Marcelo Sepulveda v Juan A H Serrano | 1-6,3-6 |
| ITF M25 Guayaquil | 2021/08/05 14:30 | Jose Pereira v Juan A H Serrano | 6-3,6-3 |
| ITF M25 Guayaquil | 2021/08/03 14:30 | Juan A H Serrano v Nicolas Alvarez | 6-3,3-6,6-3 |
| ITF M25 Portoviejo | 2021/07/29 14:25 | Antonio Cayetano March v Juan A H Serrano | 6-3,7-6 |
| ATP Los Cabos | 2021/07/18 00:00 | Juan A H Serrano v Nicolas Mejia | 3-6,6-3,5-7 |
| ITF M25 Santo Domingo | 2021/06/12 13:30 | Igor Marcondes v Juan A H Serrano | 7-5,2-6,7-5 |
| ITF M25 Santo Domingo | 2021/06/11 13:30 | Conner Huertas Del Pino v Juan A H Serrano | 3-6,5-7 |
| UTR Pro Tennis Series Manzanillo | 2021/08/10 14:30 | Takeyasu Sekiguchi v Alan Magadan | 3-6,0-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/09 14:30 | Alan Magadan v Lazaro Navarro-Batles | 6-3,6-4 |
| UTR Pro Tennis Series Manzanillo | 2021/08/08 14:30 | Gerardo L Villasenor v Alan Magadan | 6-0,3-6,5-3 |
| UTR Pro Tennis Series Manzanillo | 2021/08/07 14:45 | Alan Magadan v Maximiliano Estevez | 7-5,6-1 |
| UTR Pro Tennis Series Manzanillo | 2021/08/06 13:30 | Alan Magadan v Eduardo Yahir Orozco Rangel | 6-0,6-2 |
| UTR Pro Tennis Series Manzanillo | 2021/08/05 13:00 | Alan Magadan v Luis Pineda | 6-2,6-2 |
| UTR Pro Tennis Series Manzanillo | 2021/08/04 16:00 | Marcelo Sepulveda v Alan Magadan | 6-2,2-6,3-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/03 16:00 | Takeyasu Sekiguchi v Alan Magadan | 3-6,6-2,3-6 |