Stadium: Cancha Central Round: 27 Ground: Clay
| Challenger - San Luis Potosí | 2018/03/28 21:10 | Arguello, Facundo v Hernandez-Fernandez, Jose | 3-6,3-6 |
| Challenger Santiago Qual | 2018/03/04 14:00 | Hernandez-Fernandez, Jose v Arguello, Facundo | 4-6,3-6 |
| Challenger Guayaquil | 2015/11/03 20:00 | Arguello, Facundo v Hernandez-Fernandez, Jose | 7-5,4-6,6-4 |
| Challenger Lima | 2018/10/24 16:00 | Guido Andreozzi v Hernandez-Fernandez, Jose | 2-6,6-7 |
| Challenger Lima | 2018/10/23 00:20 | Bellucci, Thomaz v Hernandez-Fernandez, Jose | 6-1,6-7,4-6 |
| Santo Domingo, Dominican Republic | 2018/10/11 19:30 | Berlocq, Carlos v Hernandez-Fernandez, Jose | 6-1,4-6,6-2 |
| Santo Domingo, Dominican Republic | 2018/10/11 14:00 | Federico Coria v Hernandez-Fernandez, Jose | 5-7,0-6 |
| Santo Domingo, Dominican Republic | 2018/10/10 04:05 | Hernandez-Fernandez, Jose v Thiago Monteiro | 7-5,1-6,7-5 |
| Monterrey, Mexico | 2018/09/30 19:30 | Hernandez-Fernandez, Jose v Emilio Nava | 4-6,6-7 |
| Challenger Columbus | 2018/09/20 16:45 | Luke Saville v Hernandez-Fernandez, Jose | 6-4,2-6,7-5 |
| Challenger Columbus | 2018/09/18 18:10 | Hernandez-Fernandez, Jose v Harris, Andrew | 6-4,6-1 |
| Challenger Lima | 2018/10/24 19:20 | Arguello, Facundo v Lorenzi, Paolo | 6-4,7-6 |
| Challenger Lima | 2018/10/23 17:20 | Juan Pablo Varillas v Arguello, Facundo | 4-6,1-6 |
| Santo Domingo, Dominican Republic | 2018/10/07 14:00 | Arguello, Facundo v Gomez, Alejandro | 3-6,6-1,3-6 |
| Challenger Campinas | 2018/10/02 13:00 | Gonzalez, Alejandro v Arguello, Facundo | 6-3,7-6 |
| Challenger Biella | 2018/09/21 09:00 | Arguello, Facundo v Delbonis, Federico | 2-6,4-6 |
| Challenger Biella | 2018/09/20 09:30 | Arguello, Facundo v Baldi, Filippo | 6-4,6-2 |
| Challenger Biella | 2018/09/18 08:00 | Gastao Elias v Arguello, Facundo | 5-7,0-6 |
| Challenger Szczecin | 2018/09/15 11:00 | Guido Andreozzi v Arguello, Facundo | 3-6,7-6,6-4 |