Stadium: Center Round: 25 Ground: Clay
| Challenger Mexico City | 2018/04/14 22:30 | Roberto Quiroz v Facundo Arguello | 3-6,6-0,6-3 |
| Challenger Mexico City | 2018/04/13 20:40 | Jan Choinski v Facundo Arguello | 5-7,2-6 |
| Challenger Mexico City | 2018/04/12 19:00 | Facundo Arguello v Mats Moraing | 2-6,6-4,6-4 |
| Challenger Mexico City | 2018/04/10 00:35 | Lucas Gomez v Facundo Arguello | 3-6,4-6 |
| 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 Le Gosier | 2018/03/29 20:15 | John-Patrick Smith v Peter Polansky | 7-6,6-3 |
| Challenger Le Gosier | 2018/03/27 19:30 | Laurent Rochette v Peter Polansky | 0-6,5-7 |
| ATP Miami Qual | 2018/03/20 16:00 | Rogerio Dutra Silva v Peter Polansky | 6-3,6-7,6-4 |
| ATP Miami Qual | 2018/03/19 16:35 | Reilly Opelka v Peter Polansky | 6-7,3-6 |
| ATP Indian Wells | 2018/03/11 00:15 | Adrian Mannarino v Peter Polansky | 6-1,6-4 |
| ATP Indian Wells | 2018/03/09 00:50 | Marius Copil v Peter Polansky | 6-7,7-6,6-7 |
| ATP Indian Wells Qual | 2018/03/07 21:40 | Matteo Berrettini v Peter Polansky | 3-6,6-1,3-6 |
| ATP Indian Wells Qual | 2018/03/07 00:15 | Marcelo Arevalo v Peter Polansky | 5-7,3-6 |