Stadium: Court 10 Round: 27 Ground: Clay
| ITF Argentina F9 | 2017/11/15 16:40 | Mariano Kestelboim v Gonzalo Villanueva | 6-3,2-6,7-6 |
| 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 Peru F3 | 2018/10/11 15:00 | Gonzalo Villanueva v Guido Ivan Justo | 6-0,6-0 |
| ITF Peru F3 | 2018/10/09 16:40 | Gonzalo Villanueva v Junior Alexander Ore | 6-3,6-4 |
| ITF Peru F2 | 2018/10/07 20:30 | Bastian Malla v Gonzalo Villanueva | 7-6,6-4 |
| ITF Peru F2 | 2018/10/05 16:50 | Arklon H D Pino v Gonzalo Villanueva | 1-6,2-6 |
| ITF Peru F2 | 2018/10/04 17:00 | Guido Ivan Justo v Gonzalo Villanueva | 4-6,1-6 |
| ITF Peru F2 | 2018/10/02 18:10 | Victor Nunez v Gonzalo Villanueva | 2-6,4-6 |
| ITF Peru F1 | 2018/09/29 16:30 | Arklon H D Pino v Gonzalo Villanueva | 0-6,3-6 |
| ITF Peru F1 | 2018/09/28 16:00 | Gonzalo Villanueva v Conner Huertas Del Pino | 6-3,3-6,6-3 |
| ITF Peru F3 | 2018/10/11 15:00 | Jorge Panta v Mariano Kestelboim | 3-6,4-6 |
| ITF Peru F3 | 2018/10/09 16:30 | Duilio Vallebuona v Mariano Kestelboim | 0-6,2-6 |
| ITF Peru F2 | 2018/10/05 15:30 | Mariano Kestelboim v Diego Hidalgo | 4-6,3-6 |
| ITF Peru F2 | 2018/10/03 15:30 | Mariano Kestelboim v Tomas Farjat | 6-1,6-1 |
| ITF Peru F2 | 2018/10/02 15:00 | Mariano Kestelboim v Rodrigo Sanchez | 3-6,6-3,6-2 |
| ITF Peru F1 | 2018/09/27 16:35 | Conner Huertas Del Pino v Mariano Kestelboim | 7-6,6-4 |
| ITF Peru F1 | 2018/09/26 15:00 | Nicolas Mejia v Mariano Kestelboim | 6-0,4-6,4-6 |
| ITF Peru F1 | 2018/09/25 15:00 | Joao Ferreira v Mariano Kestelboim | 6-2,2-6,4-6 |