Stadium: Court 4 Round: 26 Ground: Clay
| ITF Argentina F5 | 2016/05/03 18:00 | Gonzalo Villanueva v Mariano Kestelboim | 4-6,4-6 |
| ITF Argentina F3 | 2015/03/24 14:50 | Mariano Kestelboim v Gonzalo Villanueva | 6-4,0-6,3-6 |
| ITF Argentina F9 | 2017/11/14 15:25 | Mariano Kestelboim v Alejo Vilaro | 6-0,2-6,6-1 |
| Challenger Montevideo Qual | 2017/11/05 16:15 | Mariano Kestelboim v Juan Ignacio Londero | 6-7,3-6 |
| Challenger Montevideo Qual | 2017/11/04 15:35 | Mariano Kestelboim v Pedro Sakamoto | 7-6,4-6,6-4 |
| Challenger Guayaquil Qual | 2017/10/29 18:15 | Gonzalo Lama v Mariano Kestelboim | 6-2,6-2 |
| Challenger Guayaquil Qual | 2017/10/29 00:05 | Mariano Kestelboim v Alejandro Gonzalez | 6-4,2-6,6-4 |
| Challenger Guayaquil Qual | 2017/10/28 17:40 | Ivan Endara v Mariano Kestelboim | 3-6,2-6 |
| Challenger Lima Qual | 2017/10/21 19:40 | Mariano Kestelboim v Michael Linzer | 0-6,1-6 |
| Challenger Lima Qual | 2017/10/21 14:00 | Mariano Kestelboim v Maxime Janvier | 6-4,6-1 |
| ITF Argentina F9 | 2017/11/13 16:45 | Gonzalo Villanueva v Gaston E Cantero | 6-4,6-1 |
| ITF Argentina F8 | 2017/11/09 17:00 | Daniel Dutra Da Silva v Gonzalo Villanueva | 6-1,6-2 |
| ITF Argentina F8 | 2017/11/08 14:00 | Gonzalo Villanueva v Franco Emanuel Egea | 6-4,6-3 |
| ITF Argentina F8 | 2017/11/07 17:05 | Gonzalo Villanueva v Esteban Bruna | 6-0,6-1 |
| Challenger Buenos Aires Qual | 2017/10/08 17:30 | Gonzalo Villanueva v Genaro Alberto Olivieri | 4-6,2-6 |
| Challenger Buenos Aires Qual | 2017/10/07 18:35 | David Souto v Gonzalo Villanueva | 4-6,5-7 |
| ITF Argentina F7 | 2017/09/13 13:10 | Facundo Arguello v Gonzalo Villanueva | 6-7,7-6,6-4 |
| ITF Argentina F6 | 2017/09/06 15:45 | Gonzalo Villanueva v Facundo Arguello | 3-6,4-6 |