Round: 54 Ground: Clay
| ITF Romania F9 | 2015/07/13 08:30 | Darius Florin Bragusi v Cristobal Grandon Diaz | 6-3,6-4 |
| ITF Romania F9 | 2015/07/12 09:00 | Dragos Iarmil Torge v Cristobal Grandon Diaz | 2-6,2-6 |
| ITF Romania F8 | 2015/07/08 06:30 | Laurynas Grigelis v Cristobal Grandon Diaz | 7-5,6-1 |
| ITF Romania F8 | 2015/07/07 11:55 | Cristobal Grandon Diaz v Vadym Ursu | 6-4,6-0 |
| ITF Romania F8 Qual | 2015/07/06 06:30 | Cristobal Grandon Diaz v Vlad Protopopescu | 6-7,6-4,6-4 |
| ITF Romania F8 Qual | 2015/07/04 05:30 | Cristian Florentin Voinea v Cristobal Grandon Diaz | 1-6,4-6 |
| ITF Argentina F2 | 2015/03/14 13:00 | Cristobal Grandon Diaz v Mariano Kestelboim | 3-6,2-6 |
| ITF Chile F2 | 2015/02/23 15:05 | Serge Becerra v Cristobal Grandon Diaz | 7-6,1-6,6-2 |