Stadium: E Round: 25 Ground: Clay
| Challenger Panama City Qual | 2018/03/31 20:30 | Londero, Juan Ignacio v Gomez, Lucas | 6-1,6-4 |
| Challenger Panama City Qual | 2018/03/31 17:25 | Gomez, Lucas v Gutierrez, Esteban | 6-3,6-1 |
| Challenger - San Luis Potosí | 2018/03/28 01:40 | Gomez, Lucas v Escobar, Gonzalo | 3-6,6-7 |
| ITF USA F8 Qual | 2018/03/17 17:00 | Redlicki, Michael v Gomez, Lucas | 7-5,6-4 |
| ITF Canada F2 Qual | 2018/03/05 16:00 | Bossel, Adrien v Gomez, Lucas | 6-7,6-1,6-3 |
| ITF Canada F2 Qual | 2018/03/04 15:00 | Lin, Winston v Gomez, Lucas | 6-2,3-6,4-6 |
| ATP - Acapulco | 2018/02/28 04:55 | Gojowczyk, Peter v Gomez, Lucas | 6-3,6-2 |
| Challenger Morelos Qual | 2018/02/18 17:00 | Tomas Barrios Vera v Gomez, Lucas | 6-4,6-4 |
| Challenger Panama City | 2018/04/02 20:50 | Andrea Collarini v Arguello, Facundo | 3-6,6-1,7-6 |
| Challenger - San Luis Potosí | 2018/03/28 21:10 | Arguello, Facundo v Hernandez-Fernandez, Jose | 3-6,3-6 |
| Challenger - Santiago | 2018/03/06 16:20 | Arguello, Facundo v Bellucci, Thomaz | 2-6,3-6 |
| Challenger Santiago Qual | 2018/03/05 14:00 | Hernan Casanova v Arguello, Facundo | 2-6,2-6 |
| Challenger Santiago Qual | 2018/03/04 14:00 | Hernandez-Fernandez, Jose v Arguello, Facundo | 4-6,3-6 |
| Challenger Santiago Qual | 2018/03/03 13:00 | Juan Pablo Paz v Arguello, Facundo | 6-7,1-6 |
| Challenger - Punta del Este | 2018/02/26 18:30 | Arguello, Facundo v Federico Gaio | 4-6,2-6 |
| Challenger Rio De Janeiro | 2017/11/23 14:00 | Jaume Munar v Arguello, Facundo | 6-2,7-6 |