Round: 25 Ground: Clay
| ITF Argentina F5 | 2015/05/14 18:40 | Francisco Bahamonde v Gonzalo Villanueva | 3-6,7-6,6-1 |
| ITF Chile F8 | 2015/11/30 17:00 | Jorge Montero v Gonzalo Villanueva | 7-6,6-3 |
| ITF Argentina F12 | 2015/09/17 14:40 | Joao Pedro Sorgi v Gonzalo Villanueva | 4-6,6-1,6-2 |
| ITF Argentina F12 | 2015/09/16 18:30 | Dante Gennaro v Gonzalo Villanueva | 6-1,6-7,4-6 |
| ITF Argentina F12 | 2015/09/15 12:30 | Tomas Reche v Gonzalo Villanueva | 1-6,0-6 |
| ITF Argentina F11 | 2015/09/08 13:00 | Gonzalo Villanueva v Matias Zukas | 6-4,0-6,3-6 |
| ITF Argentina F9 | 2015/08/22 12:30 | Franco Agamenone v Gonzalo Villanueva | 2-6,2-6 |
| ITF Argentina F9 | 2015/08/21 17:15 | Gonzalo Villanueva v Juan Ignacio Ameal | 2-6,6-1,6-1 |
| ITF Argentina F9 | 2015/08/20 12:00 | Santiago Villarruel v Gonzalo Villanueva | 7-6,2-6,0-6 |
| ITF Italy F23 | 2015/08/23 09:00 | Orlando Luz v Francisco Bahamonde | 4-6,3-6 |
| ITF Italy F23 | 2015/08/22 14:30 | Francisco Bahamonde v Gerard Granollers-Pujol | 7-6,2-6,6-1 |
| ITF Italy F23 | 2015/08/20 12:00 | Francisco Bahamonde v Ilija Vucic | 6-2,6-3 |
| ITF Italy F23 | 2015/08/18 12:45 | Francisco Bahamonde v Gianluca Di Nicola | 6-1,6-4 |
| ITF Italy F22 | 2015/08/15 09:00 | Francisco Bahamonde v Federico Gaio | 4-6,3-6 |
| ITF Italy F22 | 2015/08/13 11:00 | Thomas Fabbiano v Francisco Bahamonde | 4-6,4-6 |
| ITF Italy F22 | 2015/08/12 09:30 | Francisco Bahamonde v Maximilian Neuchrist | 7-6,6-1 |
| Challenger Cortina | 2015/08/06 14:00 | Maximo Gonzalez v Francisco Bahamonde | 6-2,7-6 |