Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF China F2 MD | 2018/01/17 08:15 | Cui J / Wang R v Diez S / Mardones B | 6-3,6-4 |
| ITF China F2 MD | 2018/01/16 10:15 | Ji A / Liu H v Diez S / Mardones B | 0-6,4-6 |
| ITF Tunisia F31 MD | 2017/10/22 13:15 | Diez S / Mardones B v Den Heijer G / Pontjodikromo S | 6-2,6-4 |
| ITF Tunisia F31 MD | 2017/10/21 14:30 | Diez S / Mardones B v Barranco Cosano J / Winter Lopez B | 6-3,6-1 |
| ITF Tunisia F31 MD | 2017/10/19 12:25 | Diez S / Mardones B v Cungu R / Jotovski T | 6-4,6-4 |
| ITF Tunisia F31 MD | 2017/10/17 15:15 | Muller, Alexandre / Serdarusic, Nino v Diez S / Mardones B | 6-1,3-6,9-11 |
| ITF Spain F32 MD | 2017/10/05 15:00 | Gennaro D / Heras P v Diez S / Mardones B | 6-1,7-5 |
| ITF Spain F32 MD | 2017/10/04 15:00 | Diez S / Mardones B v Bachmaier P / Brunner P | 7-5,6-4 |