Stadium: Court 4 Round: 45 Ground: Clay
| ITF Brazil F9 | 2018/11/13 14:10 | Gabriel Ciro Da Silva v Daniel Dutra Da Silva | 5-7,2-6 |
| ITF Brazil F8 | 2018/11/06 13:00 | Gabriel Ciro Da Silva v Rai Vicente de Araujo | 1-6,6-1,6-4 |
| ITF Brazil F7 | 2018/11/01 14:00 | Gabriel Ciro Da Silva v Jose Pereira | 0-6,6-7 |
| ITF Brazil F7 | 2018/10/30 16:00 | Igor Gimenez v Gabriel Ciro Da Silva | 2-6,7-5,3-6 |
| ITF Brazil F7 | 2018/10/29 12:00 | Gabriel Ciro Da Silva v Natan Rodrigues | 6-4,7-6 |
| ITF Brazil F6 | 2018/10/23 14:00 | Gabriel Ciro Da Silva v Daniel Dutra Da Silva | 4-6,4-6 |
| ITF Brazil F5 | 2018/10/16 14:55 | Gabriel Ciro Da Silva v Christian Lindell | 1-6,2-6 |
| Challenger Campinas | 2018/09/29 13:00 | Tomas Lipovsek Puches v Gabriel Ciro Da Silva | 6-4,6-4 |
| ITF Chile F2 | 2018/11/19 15:00 | Gabriel Alejandro Hidalgo v Alan Postay | 6-2,6-0 |
| ITF Argentina F9 | 2018/11/13 12:30 | Conner Huertas Del Pino v Alan Postay | 6-4,6-2 |
| ITF Argentina F9 | 2018/11/12 17:00 | Alan Postay v Mateo Labuckas | 7-6,2-6,7-6 |
| ITF Argentina F8 | 2018/11/03 13:00 | Nicolas Bruna v Alan Postay | 6-7,6-1,6-1 |
| ITF Argentina F7 | 2018/10/28 15:30 | Boruch Skierkier v Alan Postay | 6-1,7-6 |
| ITF Peru F3 | 2018/10/07 16:00 | Alan Postay v Enrique Bogo | 2-6,6-3,6-7 |
| ITF Peru F2 | 2018/09/30 15:30 | Antonio Cayetano March v Alan Postay | 7-5,6-4 |
| ITF Peru F1 | 2018/09/26 16:20 | Nicolas Alberto Arreche v Alan Postay | 6-1,6-0 |