| UTR Pro Tennis Series Cancun | 2021/04/07 19:00 | Nathan Oppenheim v Juan A H Serrano | 0-6,0-6 |
| UTR Pro Tennis Series Cancun | 2021/04/06 17:00 | Jean-Baptiste Badon v Juan A H Serrano | 2-6,3-6 |
| UTR Pro Tennis Series Cancun | 2021/04/03 15:00 | Juan A H Serrano v Gage Brymer | 4-6,1-6 |
| UTR Pro Tennis Series Cancun | 2021/04/02 18:00 | Zachery Foster v Juan A H Serrano | 3-6,3-5 |
| UTR Pro Tennis Series Cancun | 2021/04/01 18:30 | Charles Sullivan v Juan A H Serrano | 6-7,4-5 |
| UTR Pro Tennis Series Cancun | 2021/03/31 19:00 | Gabriel Evans v Juan A H Serrano | 2-6,2-6 |
| UTR Pro Tennis Series Cancun | 2021/03/29 16:30 | Dusty H. Boyer v Juan A H Serrano | 7-6,3-6,3-5 |
| ATP Acapulco | 2021/03/14 01:30 | Lorenzo Musetti v Juan A H Serrano | 3-6,6-1,6-0 |
| UTR Pro Tennis Series Cancun | 2021/04/06 17:00 | Nathan Oppenheim v Manuel S Montemayor | 2-6,2-6 |
| UTR Pro Tennis Series Cancun | 2021/04/05 15:30 | Manuel S Montemayor v Jose Antonio Rodriguez Rodriguez | 2-6,6-3,6-3 |