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