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