Round: 62 Ground: Clay
| ITF Portugal F12 Qual | 2015/09/27 09:00 | Antonio, Joao v Diaz Freire, Gabriel | 3-6,6-2,6-4 |
| ITF Spain F28 Qual | 2015/09/05 08:00 | Diaz Freire, Gabriel v Ortega Palacios, Alejandro | 3-6,4-6 |
| ITF Spain F25 | 2015/08/09 17:00 | Manrique-Velazquez, Diego-Jose v Diaz Freire, Gabriel | 4-6,6-3,6-3 |
| ITF Portugal F7 Qual | 2015/05/23 08:00 | Rodrigues, Pedro Gabriel v Diaz Freire, Gabriel | 2-6,6-3,6-7 |
| ITF Portugal F3 Qual | 2015/03/08 14:00 | Diaz Freire, Gabriel v Sarrio Tamarit, Carles | 3-6,1-6 |
| ITF Portugal F2 Qual | 2015/03/01 10:00 | Diaz Freire, Gabriel v Osorio, Guilherme Wojciechowski | 6-4,6-0 |
| ITF Portugal F2 Qual | 2015/02/28 10:00 | Diaz Freire, Gabriel v Garcia Saez, Alejandro | 6-4,6-3 |
| ITF Portugal F1 | 2015/02/22 10:30 | Diaz Freire, Gabriel v Vidal Azorin, Jose Fco | 2-6,6-4,3-6 |
| ITF Portugal F12 Qual | 2015/09/27 11:30 | Nematzadeh, Keyvan v Castanho Ribeiro, Alexandre | 3-6,0-6 |
| ITF Spain F30 Qual | 2015/09/20 09:00 | Martos Gornes, Sergio v Nematzadeh, Keyvan | 6-1,6-0 |
| ITF Spain F28 Qual | 2015/09/06 09:00 | Vidal Azorin, Jose Fco v Nematzadeh, Keyvan | 7-6,6-2 |
| ITF Spain F28 Qual | 2015/09/05 12:50 | Nematzadeh, Keyvan v Garcia Torrealba, Nicolas | 6-1,6-3 |
| ITF Spain F22 Qual | 2015/07/18 09:00 | Canas Garcia, Juan Pablo v Nematzadeh, Keyvan | 6-1,6-0 |
| ITF Spain F21 Qual | 2015/07/12 09:00 | Reguant, Alejandro v Nematzadeh, Keyvan | 7-5,6-2 |
| ITF Spain F20 Qual | 2015/07/04 12:00 | Romero de Avila Senise, Alberto v Nematzadeh, Keyvan | 6-0,6-3 |
| ITF Spain F16 Qual | 2015/05/30 11:00 | Nematzadeh, Keyvan v Gadjiev, Alan | 4-6,4-6 |