Round: 44 Ground: Clay
| ITF Colombia F4 | 2015/06/27 16:00 | Michael Quintero v William J M. Granados | 6-3,6-1 |
| ITF Colombia F6 | 2015/07/30 18:00 | Juan Sebastian Gomez v Michael Quintero | 7-5,6-4 |
| ITF Colombia F6 | 2015/07/28 16:15 | Michael Quintero v Manuel Sanchez | 5-7,7-6,7-5 |
| ITF Colombia F5 | 2015/07/08 16:25 | Michael Quintero v Facundo Mena | 0-6,6-3,3-6 |
| ITF Colombia F5 | 2015/07/07 16:40 | Michael Quintero v Geronimo Barrios | 6-2,6-3 |
| ITF Colombia F4 | 2015/06/30 16:40 | Michael Quintero v Felipe Escobar | 2-6,0-6 |
| ITF Colombia F4 | 2015/06/27 16:00 | Michael Quintero v William J M. Granados | 6-3,6-1 |
| ITF Mexico F7 | 2015/06/19 16:00 | Tigre Hank v Michael Quintero | 7-6,6-3 |
| ITF Mexico F7 | 2015/06/18 17:20 | Michael Quintero v Felipe Mantilla | 4-6,7-6,6-1 |
| ITF Colombia F8 | 2015/10/28 16:20 | Felipe Mantilla v William J M. Granados | 6-0,6-2 |
| ITF Colombia F8 | 2015/10/27 18:40 | Camilo Andres Erazo v William J M. Granados | 6-2,4-6,5-7 |
| ITF Colombia F8 Qual | 2015/10/26 18:00 | William J M. Granados v Tomas Builes | 6-3,5-7,6-3 |
| ITF Colombia F5 | 2015/07/04 17:30 | William J M. Granados v Ricardo P Cuesta | 6-7,6-3,2-6 |
| ITF Colombia F4 | 2015/06/27 16:00 | Michael Quintero v William J M. Granados | 6-3,6-1 |
| ITF Colombia F3 Qual | 2015/05/24 17:30 | Alexander Klintcharov v William J M. Granados | 6-3,6-3 |
| ITF Colombia F3 Qual | 2015/05/23 17:30 | Juan Sebastian Osorio v William J M. Granados | 3-6,2-6 |
| ITF Colombia F2 | 2015/05/17 14:30 | Jose Olivares v William J M. Granados | 6-2,6-2 |