Stadium: Centre Court Round: 25 Ground: Clay
| ITF Turkey F14 | 2018/04/08 07:30 | Milan Drinic v Christian Oliveira | 4-6,7-5,6-1 |
| ITF Turkey F14 | 2018/04/07 09:30 | Christian Oliveira v Phongsapak Kerdlaphee | 6-0,6-1 |
| ITF Turkey F13 | 2018/04/04 09:00 | Christian Oliveira v Jaroslav Pospisil | 6-3,0-6,1-6 |
| ITF Turkey F13 | 2018/04/02 07:00 | Christian Oliveira v Maxence Broville | 7-5,6-7,6-4 |
| ITF Turkey F13 | 2018/04/01 08:30 | Marcelo Zormann v Christian Oliveira | 3-6,5-7 |
| ITF Turkey F13 | 2018/03/31 08:30 | Christian Oliveira v Franco Ribero | 6-3,7-6 |
| ITF Turkey F12 | 2018/03/25 07:00 | Sergi Perez Contri v Christian Oliveira | 6-4,6-2 |
| Challenger Rio De Janeiro | 2017/11/22 16:45 | Fabricio Neis v Christian Oliveira | 6-2,2-6,6-3 |
| Challenger Santiago Qual | 2018/03/03 13:00 | Jose Hernandez-Fernandez v Gonzalo Villanueva | 7-6,7-6 |
| Challenger Punta Del Este Qual | 2018/02/26 14:30 | Juan Ignacio Galarza v Gonzalo Villanueva | 6-3,6-2 |
| Challenger Punta Del Este Qual | 2018/02/25 16:20 | Franco Agamenone v Gonzalo Villanueva | 1-6,3-6 |
| Challenger Punta Del Este Qual | 2018/02/24 19:40 | Gonzalo Villanueva v Gonzalo Lama | 7-5,3-6,6-2 |
| ITF Argentina F12 | 2017/12/06 14:15 | Gonzalo Villanueva v Daniel Dutra Da Silva | 1-6,6-7 |
| ITF Argentina F12 | 2017/12/04 13:30 | Gonzalo Villanueva v Facundo Juarez | 6-3,1-6,6-3 |
| ITF Argentina F11 | 2017/11/30 13:55 | Andrea Collarini v Gonzalo Villanueva | 3-6,6-3,6-2 |
| ITF Argentina F11 | 2017/11/29 15:30 | Gonzalo Villanueva v Tomas Lipovsek Puches | 6-1,6-4 |