Stadium: Grandstand Round: 27 Ground: Hardcourt outdoor
| WTA Cincinnati WD | 2018/08/17 23:00 | Krejcikova/Siniakova v Mertens/Schuurs | 4-6,1-6 |
| WTA Miami WD | 2018/03/30 18:35 | Mertens/Schuurs v Krejcikova/Siniakova | 6-4,3-6,9-11 |
| WTA Doha WD | 2018/02/15 14:50 | Krejcikova/Siniakova v Mertens/Schuurs | 6-1,4-6,15-13 |