Stadium: Cancha 1 Round: 25 Ground: Clay
| 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 |
| Challenger Rio De Janeiro | 2017/11/21 14:00 | Juan Pablo Ficovich v Arguello, Facundo | 1-6,6-7 |
| Challenger Santiago 2 | 2017/11/14 17:25 | Arguello, Facundo v Arevalo-Gonzalez, Marcelo | 2-6,1-6 |
| Challenger Montevideo Qual | 2017/11/05 15:30 | Arguello, Facundo v Molteni, Andres | 6-7,3-6 |
| Challenger - Santiago | 2018/03/05 18:55 | Clezar, Guilherme v Bellucci, Thomaz | View |
| Sao Paulo, Brazil | 2018/02/27 22:30 | Bellucci, Thomaz v Zeballos, Horacio | 6-7,6-3,3-6 |
| ATP - Rio De Janeiro | 2018/02/20 00:20 | Fabio Fognini v Bellucci, Thomaz | 6-7,7-5,6-2 |
| ATP - Buenos Aires | 2018/02/14 21:45 | Diego Schwartzman v Bellucci, Thomaz | 3-6,6-3,6-2 |
| ATP - Buenos Aires | 2018/02/12 20:25 | Bellucci, Thomaz v Pedro Cachin | 6-2,6-1 |
| ATP Buenos Aires Qual | 2018/02/11 16:55 | Bellucci, Thomaz v Hernan Casanova | 6-2,6-4 |
| ATP Buenos Aires Qual | 2018/02/10 19:00 | Bellucci, Thomaz v Galarza, Juan Ignacio | 6-4,6-4 |
| Quito, Ecuador | 2018/02/06 00:40 | Estrella Burgos, Victor v Bellucci, Thomaz | 4-6,6-4,6-2 |