Round: 54 Ground: Clay
| ITF Spain F25 | 2015/08/13 10:30 | Quentin Halys v Santos, Inigo | 6-1,6-0 |
| ITF Spain F25 | 2015/08/11 10:00 | Mardones, Bruno v Santos, Inigo | 5-7,4-6 |
| ITF Spain F25 | 2015/08/10 09:30 | Khlif, Noe v Santos, Inigo | 6-4,4-6,6-0 |
| ITF Spain F20 Qual | 2015/07/04 12:00 | Santos, Inigo v Feler, Melik | 3-6,1-6 |
| ITF Spain F19 | 2015/06/30 16:05 | Santos, Inigo v Fournerie, Theo | 1-6,5-7 |
| ITF Portugal F7 | 2015/05/27 13:10 | Mensurado, Vasco v Santos, Inigo | 6-2,7-5 |
| ITF Portugal F7 Qual | 2015/05/24 13:00 | Centenari, Alexander v Santos, Inigo | 6-4,1-6,6-7 |
| ITF Portugal F6 Qual | 2015/05/18 16:00 | Centenari, Alexander v Santos, Inigo | 6-2,6-4 |
| ITF Spain F19 Qual | 2015/06/27 14:55 | Goicoetxea-Fuster, Jose-Manuel v Mardones, Bruno | 3-6,3-6 |