Stadium: Cancha 7 Round: 25
| Challenger Bogota | 2021/10/17 18:10 | Luca Castelnuovo v Juan A H Serrano | 6-4,6-2 |
| ITF M15 Cancun | 2021/10/09 15:00 | Juan A H Serrano v Christian Langmo | 6-3,3-6,6-7 |
| ITF M15 Cancun | 2021/10/07 16:25 | Juan A H Serrano v Giles Hussey | 4-6,6-2,6-3 |
| ITF M15 Cancun | 2021/10/06 16:30 | Mwendwa Mbithi v Juan A H Serrano | 3-6,2-6 |
| ITF M15 Cancun | 2021/09/24 15:00 | Federico Agustin Gomez v Juan A H Serrano | 3-6,6-4,7-6 |
| ITF M15 Cancun | 2021/09/23 14:00 | Jesse Flores v Juan A H Serrano | 4-6,4-6 |
| ITF M15 Cancun | 2021/09/22 20:45 | Joshua Sheehy v Juan A H Serrano | 3-6,2-6 |
| ITF M25 Medellin | 2021/09/17 15:00 | Pedro Sakamoto v Juan A H Serrano | 6-3,6-2 |
| ITF M15 Cancun | 2021/10/18 15:00 | Felipe Santamaria v Gabriel Evans | 1-6,1-6 |
| ITF M15 Cancun | 2021/10/17 18:00 | Felipe Santamaria v Fernando A. Z. Cantillana | 6-4,6-2 |
| ITF M15 Cancun | 2021/10/10 17:00 | Felipe Santamaria v Alfredo Casso | 5-7,1-6 |
| ITF M15 Cancun | 2021/10/03 14:00 | Felipe Santamaria v Andres Urrea | 3-6,4-6 |
| ITF M25 Medellin | 2021/09/14 18:00 | Mateo Gomez v Felipe Santamaria | 6-1,6-2 |
| ITF M15 Ibague | 2021/09/08 17:00 | Enrique Pena v Felipe Santamaria | 6-0,6-4 |
| ITF M15 Ibague | 2021/09/07 14:00 | Felipe Santamaria v Felipe Escobar | 2-6,7-5,10-6 |
| ITF M15 Ibague | 2021/09/06 18:30 | Felipe Santamaria v Jose E Yapur | 6-0,6-3 |