Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| Challenger Winnipeg MD | 2018/07/11 15:00 | Granollers/Granollers v Johnson/Schneider | 6-4,6-3 |
| Challenger Zhuhai MD | 2018/03/06 06:30 | Granollers/Granollers v Bury/Peng | 6-7,4-6 |
| Challenger Burnie MD | 2018/02/03 05:00 | King/Schnur v Granollers/Granollers | 6-7,2-6 |
| Challenger Burnie MD | 2018/02/02 08:00 | Granollers/Granollers v Klein/Mousley | 6-2,6-2 |
| Challenger Burnie MD | 2018/01/31 04:40 | Niki/Takahashi v Granollers/Granollers | 1-6,6-0,6-10 |
| Challenger Burnie MD | 2018/01/30 05:25 | Lammons/Lawson v Granollers/Granollers | 4-6,4-6 |
| Challenger Bangkok MD | 2018/01/06 08:00 | Granollers/Granollers v Kolar/Oliveira | 6-3,7-6 |
| Challenger Bangkok MD | 2018/01/05 08:55 | Ratiwatana/Ratiwatana v Granollers/Granollers | 3-6,4-6 |