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