Ground: Clay
| ITF Chile F7 | 2014/11/20 16:20 | Gonzalo Villanueva v Nicolas A De Gregorio | 0-6,7-5,2-6 |
| ITF Chile F5 | 2015/04/20 13:30 | Nicolas A De Gregorio v Victor Nunez | 6-7,6-3,6-3 |
| ITF Chile F5 | 2015/04/18 19:30 | Nicolas A De Gregorio v Geronimo Barrios | 6-4,6-3 |
| ITF Chile F3 | 2015/04/12 16:00 | Nicolas A De Gregorio v Alexandre Tsuchiya | 2-6,5-7 |
| ITF Chile F3 | 2015/04/11 18:00 | Nicolas A De Gregorio v Santiago Maresca | 6-1,6-1 |
| ITF Chile F3 | 2015/04/05 15:00 | Nicolas A De Gregorio v Michel Vernier | 3-6,5-7 |
| ITF Argentina F2 | 2015/03/17 12:00 | Juan Carlos Saez v Nicolas A De Gregorio | 6-7,6-2,6-3 |
| ITF Argentina F2 | 2015/03/16 13:00 | Federico Agustin Gomez v Nicolas A De Gregorio | 6-2,2-6,1-6 |
| ITF Argentina F1 | 2015/03/09 17:45 | Nicolas A De Gregorio v Joao Pedro Sorgi | 6-1,6-7,3-6 |
| ITF Chile F5 | 2015/04/20 13:00 | Dante Gennaro v Gonzalo Villanueva | 4-6,6-7 |
| ITF Chile F3 | 2015/04/12 16:00 | Gonzalo Villanueva v Franco Agamenone | 6-3,5-7,2-6 |
| ITF Chile F3 | 2015/04/08 21:45 | Gonzalo Villanueva v Gonzalo Lama | 4-6,3-6 |
| ITF Chile F3 | 2015/04/06 17:40 | Gonzalo Villanueva v Serge Becerra | 6-3,2-6,7-5 |
| ITF Chile F3 | 2015/04/04 16:25 | Gonzalo Villanueva v Javier Araya | 6-0,6-0 |
| ITF Argentina F3 | 2015/03/26 14:00 | Gonzalo Villanueva v Federico Coria | 1-6,2-6 |
| ITF Argentina F3 | 2015/03/25 15:45 | Thales Turini v Gonzalo Villanueva | 1-6,0-6 |
| ITF Argentina F3 | 2015/03/24 14:50 | Mariano Kestelboim v Gonzalo Villanueva | 6-4,0-6,3-6 |