Stadium: Court 2 Round: 28 Ground: Clay
| ITF USA F23 | 2018/08/16 14:00 | Hernandez Serrano, Juan Alejandro v Gomez, Alejandro | 6-7,3-6 |
| ITF M15 Ibague | 2021/09/10 17:00 | Hernandez Serrano, Juan Alejandro v Lopez Villasenor, Gerardo | 7-6,6-4 |
| ITF M15 Ibague | 2021/09/09 14:30 | Hernandez Serrano, Juan Alejandro v Tacchi, Luciano | 6-4,6-3 |
| ITF M15 Ibague | 2021/09/08 17:00 | Hernandez Serrano, Juan Alejandro v Mateo Barreiros Reyes | 7-6,6-4 |
| UTR Pro Tennis Series Manzanillo | 2021/08/14 13:00 | Patino, Luis v Hernandez Serrano, Juan Alejandro | 4-6,6-2,6-2 |
| UTR Pro Tennis Series Manzanillo | 2021/08/13 14:30 | Hernandez Serrano, Juan Alejandro v Lazaro Navarro-Batles | 6-3,6-0 |
| UTR Pro Tennis Series Manzanillo | 2021/08/12 16:00 | Hernandez Serrano, Juan Alejandro v Alan Magadan | 7-6,6-7,6-0 |
| UTR Pro Tennis Series Manzanillo | 2021/08/11 16:00 | Takeyasu Sekiguchi v Hernandez Serrano, Juan Alejandro | 4-6,6-3,3-6 |
| UTR Pro Tennis Series Manzanillo | 2021/08/10 13:00 | Sepulveda, Marcelo v Hernandez Serrano, Juan Alejandro | 1-6,3-6 |
| ITF M15 Ibague | 2021/09/10 18:30 | Mendoza, Alejandro v Gomez, Alejandro | 3-6,6-3,3-6 |
| ITF M15 Ibague | 2021/09/09 14:30 | Enrique Bogo v Gomez, Alejandro | 3-6,7-5,4-6 |
| ITF M15 Ibague | 2021/09/07 18:50 | Marcelo Marino Hidalgo v Gomez, Alejandro | 1-6,1-6 |
| ITF M25 Frankfurt am Main | 2021/08/12 08:50 | Esteve Lobato, Eduard v Gomez, Alejandro | 6-3,6-4 |
| ITF M25 Frankfurt am Main | 2021/08/11 08:55 | Giovanni Oradini v Gomez, Alejandro | 2-6,4-6 |
| ITF M25 Wetzlar | 2021/08/03 16:30 | Gomez, Alejandro v Alexey Vatutin | 1-6,4-6 |
| ITF M25 Denia | 2021/07/27 14:00 | Imanol L Morillo v Gomez, Alejandro | 6-2,4-6,7-6 |
| ITF M25 Gandia | 2021/07/22 11:20 | Gomez, Alejandro v Antoine Escoffier | 6-3,1-6,1-6 |