Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Cancun | 2019/11/15 19:05 | Antonio Cayetano March v Juan A H Serrano | 6-3,6-4 |
| ITF M25 Portoviejo | 2021/07/27 17:50 | Antonio Cayetano March v Bautista Vilicich | 6-3,6-3 |
| ITF M15 Monastir | 2021/07/13 11:20 | Antonio Cayetano March v Samuel Vincent Ruggeri | 6-7,6-4,1-6 |
| ITF M15 Monastir | 2021/07/09 08:30 | Antonio Cayetano March v Omni Kumar | 5-7,2-6 |
| ITF M15 Monastir | 2021/07/08 08:30 | Perry Gregg v Antonio Cayetano March | 3-6,6-3,4-6 |
| ITF M15 Monastir | 2021/07/07 11:45 | Gabriele Maria Noce v Antonio Cayetano March | 6-7,7-5,2-6 |
| ITF M15 Monastir | 2021/06/30 08:30 | Robert Strombachs v Antonio Cayetano March | 6-3,7-5 |
| ITF M15 Heraklion | 2021/06/10 09:45 | Antonio Cayetano March v Ben Patael | 2-6,1-6 |
| ITF M15 Heraklion | 2021/06/09 08:00 | Antonio Cayetano March v Christos Keisidis | 4-6,7-6,6-2 |
| 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 |
| ITF M25 Pensacola | 2021/05/20 14:25 | Juan A H Serrano v Alejandro Gonzalez | 3-6,2-6 |
| ITF M25 Pensacola | 2021/05/18 16:05 | Juan A H Serrano v Abraham Asaba | 6-1,6-2 |
| UTR Pro Tennis Series Cancun | 2021/04/10 13:00 | Jorge Panta v Juan A H Serrano | 6-4,5-0 |