Stadium: Stadium Round: 28 Ground: Hardcourt outdoor
| WTA Doha WD | 2018/02/15 14:50 | Krejcikova/Siniakova v Mertens/Schuurs | 6-1,4-6,15-13 |
| WTA Miami WD | 2018/03/28 15:00 | Atawo/Groenefeld v Mertens/Schuurs | 3-6,6-7 |
| WTA Miami WD | 2018/03/25 18:50 | Maria/Tsurenko v Mertens/Schuurs | 4-6,2-6 |
| WTA Miami WD | 2018/03/24 18:15 | Mertens/Schuurs v Dabrowski/Wu | 7-5,7-5 |
| WTA Indian Wells WD | 2018/03/11 21:50 | Arruabarrena/Parra Santonja v Mertens/Schuurs | 6-7,6-2,10-7 |
| WTA Indian Wells WD | 2018/03/07 19:00 | Mertens/Schuurs v Bertens/Larsson | 7-6,6-4 |
| WTA Doha WD | 2018/02/15 14:50 | Krejcikova/Siniakova v Mertens/Schuurs | 6-1,4-6,15-13 |
| WTA Doha WD | 2018/02/14 17:40 | Atawo/Groenefeld v Mertens/Schuurs | 4-6,3-6 |
| Australian Open Women WD | 2018/01/19 06:15 | Mertens/Schuurs v Barty/Dellacqua | 3-6,5-7 |
| WTA Miami WD | 2018/03/28 01:40 | Krejcikova/Siniakova v Chan/Chan | 2-6,6-4,13-11 |
| WTA Miami WD | 2018/03/25 16:45 | Krejcikova/Siniakova v Arruabarrena/Parra Santonja | 7-6,3-6,10-7 |
| WTA Miami WD | 2018/03/22 20:55 | Krejcikova/Siniakova v Kasatkina/Pavlyuchenkova | 6-3,6-3 |
| WTA Indian Wells WD | 2018/03/12 01:05 | Krejcikova/Siniakova v King/Srebotnik | 3-6,5-7 |
| WTA Indian Wells WD | 2018/03/09 20:20 | Krejcikova/Siniakova v Buzarnescu/Cornet | 6-1,5-7,10-3 |
| WTA Doha WD | 2018/02/17 14:00 | Dabrowski/Ostapenko v Krejcikova/Siniakova | 6-3,6-3 |
| WTA Doha WD | 2018/02/16 12:30 | Krejcikova/Siniakova v Kato/Ninomiya | 7-6,6-1 |
| WTA Doha WD | 2018/02/15 14:50 | Krejcikova/Siniakova v Mertens/Schuurs | 6-1,4-6,15-13 |