Stadium: Court 8 Round: 27 Ground: Clay
| ITF Uruguay F2 | 2016/12/07 16:35 | Gonzalo Villanueva v Nicolas Santos | 6-4,2-6,6-1 |
| ITF Brazil F4 | 2018/05/17 21:30 | Nicolas Santos v Gonzalo Lama | 6-4,6-7,2-6 |
| ITF Brazil F4 | 2018/05/15 13:00 | Felipe Garla v Nicolas Santos | 2-6,0-6 |
| ITF Brazil F3 | 2018/05/12 17:20 | Nicolas Santos v Oscar Jose Gutierrez | 6-4,3-6,4-6 |
| ITF Brazil F3 | 2018/05/11 22:45 | Christian Lindell v Nicolas Santos | 4-6,2-6 |
| ITF Brazil F3 | 2018/05/09 16:40 | Asdrubal Gobernate v Nicolas Santos | 4-6,2-6 |
| ITF Brazil F3 | 2018/05/07 15:30 | Nicolas Santos v Wilson Leite | 6-2,6-4 |
| ITF Brazil F2 | 2018/05/02 15:00 | Carlos E. Severino v Nicolas Santos | 7-6,6-3 |
| ITF Brazil F1 | 2018/04/26 01:30 | Nicolas Santos v Christian Lindell | 6-7,4-6 |
| ITF Argentina F3 | 2018/06/02 14:00 | Facundo Arguello v Gonzalo Villanueva | 6-4,7-6 |
| ITF Argentina F3 | 2018/06/01 15:30 | Gonzalo Villanueva v Franco Emanuel Egea | 6-4,6-0 |
| ITF Argentina F3 | 2018/05/31 17:10 | Gonzalo Villanueva v Juan Carlos Saez | 6-4,6-2 |
| ITF Argentina F3 | 2018/05/29 18:45 | Gonzalo Villanueva v Felipe M Sarrasague | 6-2,6-1 |
| ITF Argentina F2 | 2018/05/25 16:10 | Gonzalo Villanueva v Camilo Ugo Carabelli | 6-2,1-6,2-6 |
| ITF Argentina F2 | 2018/05/24 16:40 | Facundo Arguello v Gonzalo Villanueva | 6-7,5-7 |
| ITF Argentina F2 | 2018/05/23 16:45 | Gabriel Alejandro Hidalgo v Gonzalo Villanueva | 1-6,0-6 |
| ITF Argentina F2 | 2018/05/22 18:20 | Tomas Martin Etcheverry v Gonzalo Villanueva | 4-6,4-6 |