Stadion: Court 7 Round: 28 Ground: Clay
| ITF - Argentinien F2 | 2018/05/23 16:45 | Gabriel Alejandro Hidalgo v Gonzalo Villanueva | 1-6,0-6 |
| ITF - M15 - Lambare | 2019/08/23 14:00 | Gonzalo Villanueva v Jorge Panta | 6-3,6-2 |
| ITF - M15 - Lambare | 2019/08/22 17:40 | Gonzalo Villanueva v Alex Blumenberg | 6-3,6-3 |
| ITF - M15 - Lambare | 2019/08/21 15:30 | Gonzalo Villanueva v Christian Oliveira | 6-1,7-6 |
| ITF - M15 - Eupen | 2019/08/11 13:00 | Michael Geerts v Gonzalo Villanueva | 4-6,1-6 |
| ITF - M15 - Eupen | 2019/08/10 12:15 | Genaro Alberto Olivieri v Gonzalo Villanueva | 2-6,6-7 |
| ITF - M15 - Eupen | 2019/08/09 13:40 | Daniel De Jonge v Gonzalo Villanueva | 6-4,1-6,0-6 |
| ITF - M15 - Eupen | 2019/08/08 14:05 | Gauthier Onclin v Gonzalo Villanueva | 7-5,2-6,6-7 |
| ITF - M15 - Eupen | 2019/08/06 15:00 | Colin Van Beem v Gonzalo Villanueva | 3-6,4-6 |
| ITF - M15 - Lambare | 2019/08/23 17:45 | Federico Zeballos v Gabriel Alejandro Hidalgo | 4-6,6-3,6-7 |
| ITF - M15 - Lambare | 2019/08/22 15:35 | Ignacio Monzon v Gabriel Alejandro Hidalgo | 2-6,1-6 |
| ITF - M15 - Lambare | 2019/08/21 18:35 | Gabriel Alejandro Hidalgo v Antonio Cayetano March | 4-6,6-3,6-2 |
| ITF - M15 - La Paz | 2019/08/14 14:00 | Maximiliano Estevez v Gabriel Alejandro Hidalgo | 5-7,6-3,6-2 |
| ITF - M15 - Santa Cruz | 2019/08/09 20:00 | Juan Bautista Otegui v Gabriel Alejandro Hidalgo | 6-0,7-5 |
| ITF - M15 - Santa Cruz | 2019/08/08 20:00 | Ignacio Monzon v Gabriel Alejandro Hidalgo | 6-7,4-6 |
| ITF - M15 - Santa Cruz | 2019/08/06 17:30 | Julian Gimenez v Gabriel Alejandro Hidalgo | 1-6,3-6 |
| ITF - M15 - Pinamar | 2019/04/05 13:45 | Juan Pablo Ficovich v Gabriel Alejandro Hidalgo | 7-5,6-2 |