Stadium: Court 2 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2020/02/12 14:00 | Igor Marcondes v Juan A H Serrano | 4-6,2-6 |
| ITF M25 Santo Domingo | 2021/06/11 13:30 | Igor Marcondes v Luis Patino | 6-3,6-4 |
| ITF M25 Santo Domingo | 2021/06/10 14:50 | Igor Marcondes v Noah Schachter | 6-2,6-3 |
| ITF M25 Santo Domingo | 2021/06/09 12:55 | Shintaro Imai v Igor Marcondes | 6-7,4-6 |
| ITF M25 Santo Domingo | 2021/06/02 15:20 | Igor Marcondes v Nick Hardt | 7-5,3-6,1-6 |
| ITF M15 Monastir | 2021/04/25 08:30 | Igor Marcondes v Christoph Negritu | 2-6,2-6 |
| ITF M15 Monastir | 2021/04/24 09:30 | Igor Marcondes v Oscar Jose Gutierrez | 6-4,7-5 |
| ITF M15 Monastir | 2021/04/22 10:00 | Shintaro Imai v Igor Marcondes | 3-6,1-6 |
| ITF M15 Monastir | 2021/04/21 12:35 | Guy Orly Iradukunda v Igor Marcondes | 6-4,2-6,3-6 |
| 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 |
| UTR Pro Tennis Series Cancun | 2021/04/09 15:30 | Juan A H Serrano v Jose Antonio Rodriguez Rodriguez | 3-0 |
| UTR Pro Tennis Series Cancun | 2021/04/08 16:30 | Juan A H Serrano v Manuel S Montemayor | 6-1,6-4 |