| UTR Pro Tennis Series Manzanillo | 2021/08/09 15:00 | Takeyasu Sekiguchi v Marcelo Sepulveda | 4-6,6-3,2-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/08 13:00 | Marcelo Sepulveda v Jose Antonio Rodriguez Rodriguez | 6-1,6-2 |
| UTR Pro Tennis Series Manzanillo | 2021/08/05 13:00 | Marcelo Sepulveda v Eduardo Yahir Orozco Rangel | 6-1,7-5 |
| UTR Pro Tennis Series Manzanillo | 2021/08/04 16:00 | Marcelo Sepulveda v Alan Magadan | 6-2,2-6,3-6 |
| ITF USA F30 | 2018/11/03 13:30 | Nikola Samardzic v Marcelo Sepulveda | 6-4,6-3 |
| Challenger Monterrey | 2018/09/29 20:35 | Marcelo Sepulveda v Emilio Nava | 4-6,4-6 |
| ITF USA F19 Qual | 2018/06/30 16:00 | Marcelo Sepulveda v Maxime Cressy | 4-6,2-6 |
| ITF Mexico F2 | 2018/05/15 17:25 | Marcelo Sepulveda v Samuel Shropshire | 3-6,2-6 |
| 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 |
| ITF M25 Santo Domingo | 2021/06/08 19:45 | Juan A H Serrano v Rowland Phillips | 6-1,3-6,10-8 |
| ITF M25 Santo Domingo | 2021/06/01 13:00 | Juan A H Serrano v Sergio Luis H Ramirez | 6-4,6-3 |