Stadium: Court 22 Round: 26 Ground: Clay
| ITF M25 - Pensacola | 2021/05/18 16:05 | Juan A H Serrano v Abraham Asaba | 6-1,6-2 |
| UTR Pro Tennis Series - Cancún | 2021/04/10 13:00 | Jorge Panta v Juan A H Serrano | 6-4,5-0 |
| UTR Pro Tennis Series - Cancún | 2021/04/09 15:30 | Juan A H Serrano v Jose Antonio Rodriguez Rodriguez | 3-0 |
| UTR Pro Tennis Series - Cancún | 2021/04/08 16:30 | Juan A H Serrano v Manuel S Montemayor | 6-1,6-4 |
| UTR Pro Tennis Series - Cancún | 2021/04/07 19:00 | Nathan Oppenheim v Juan A H Serrano | 0-6,0-6 |
| UTR Pro Tennis Series - Cancún | 2021/04/06 17:00 | Jean-Baptiste Badon v Juan A H Serrano | 2-6,3-6 |
| UTR Pro Tennis Series - Cancún | 2021/04/03 15:00 | Juan A H Serrano v Gage Brymer | 4-6,1-6 |
| UTR Pro Tennis Series - Cancún | 2021/04/02 18:00 | Zachery Foster v Juan A H Serrano | 3-6,3-5 |
| ITF M25 - Pensacola | 2021/05/19 19:35 | John Bernard v Alejandro Gonzalez | 2-6,1-6 |
| Challenger Salinas 2 | 2021/04/26 19:40 | Tak Khunn Wang v Alejandro Gonzalez | 6-2,3-6,6-2 |
| Challenger Salinas | 2021/04/19 14:30 | Alejandro Gonzalez v Tak Khunn Wang | 2-6,6-1,0-6 |
| Challenger Salinas | 2021/04/18 19:10 | Alejandro Gonzalez v Jorge Panta | 6-0,6-1 |
| ATP Acapulco | 2021/03/15 00:00 | Denis Kudla v Alejandro Gonzalez | 6-3,6-2 |
| ITF M25 - Naples | 2021/02/26 16:00 | Cristian Rodriguez v Alejandro Gonzalez | 6-3,5-7,7-6 |
| ITF M25 - Naples | 2021/02/25 17:10 | Alejandro Gonzalez v Matija Pecotic | 6-1,7-5 |
| ITF M25 - Naples | 2021/02/24 15:00 | Pol Toledo Bague v Alejandro Gonzalez | 3-6,1-6 |