Stadium: Court 7 Round: 28 Ground: Hardcourt outdoor
| ITF Portugal F6 MD | 2018/03/29 16:30 | Diez/Mardones v Cabral/Cacao | 7-6,6-3 |
| ITF Portugal F6 MD | 2018/03/27 16:30 | Diez/Mardones v Virgili/Virgili | 7-6,6-1 |
| ITF Portugal F5 MD | 2018/03/23 17:55 | Cabral/Cacao v Diez/Mardones | 2-6,6-4,10-7 |
| ITF Portugal F5 MD | 2018/03/20 16:45 | Diez/Mardones v Ortega-Olmedo/Vega Hernandez | 6-3,6-4 |
| ITF China F3 MD | 2018/01/23 07:00 | Purcell/Tanuma v Diez/Mardones | 6-3,6-4 |
| ITF China F2 MD | 2018/01/17 08:15 | Cui/Wang v Diez/Mardones | 6-3,6-4 |
| ITF China F2 MD | 2018/01/16 10:15 | Ji/Liu v Diez/Mardones | 0-6,4-6 |
| ITF Tunisia F31 MD | 2017/10/22 13:15 | Diez/Mardones v Den Heijer/Pontjodikromo | 6-2,6-4 |
| ITF Portugal F6 MD | 2018/03/29 14:10 | Artunedo Martinavarro/Falcao v Fruttero/Neuchrist | 7-5,4-6,11-9 |
| ITF Portugal F6 MD | 2018/03/28 15:10 | Dischinger/Russi v Artunedo Martinavarro/Falcao | 3-6,6-7 |