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 |
| US Open Women WD | 2018/09/02 18:30 | Krejcikova/Siniakova v Kichenok/Siegemund | 6-3,6-2 |
| US Open Women WD | 2018/08/31 18:30 | Krejcikova/Siniakova v Mattek-Sands/Safarova | 6-4,6-3 |
| US Open Women WD | 2018/08/29 18:40 | Krejcikova/Siniakova v Bondarenko/Krunic | 7-6,6-1 |
| WTA Cincinnati WD | 2018/08/17 23:00 | Krejcikova/Siniakova v Mertens/Schuurs | 4-6,1-6 |
| WTA Cincinnati WD | 2018/08/14 19:30 | Krejcikova/Siniakova v Olaru/Zvonareva | 4-6,6-4,10-7 |
| WTA Montreal WD | 2018/08/09 15:00 | Krejcikova/Siniakova v Aoyama/Marozava | 6-4,6-7,8-10 |
| Wimbledon Women WD | 2018/07/14 17:00 | Krejcikova/Siniakova v Melichar/Peschke | 6-4,4-6,6-0 |
| Wimbledon Women WD | 2018/07/13 14:35 | Rosolska/Spears v Krejcikova/Siniakova | 5-7,4-6 |
| US Open Women WD | 2018/09/03 22:15 | Hsieh/Sabalenka v Mertens/Schuurs | 5-7,4-6 |
| US Open Women WD | 2018/09/01 15:00 | Diatchenko/Gasparyan v Mertens/Schuurs | 4-6,0-6 |
| US Open Women WD | 2018/08/30 16:50 | Gavrilova/Martic v Mertens/Schuurs | 3-6,7-5,2-6 |
| WTA Cincinnati WD | 2018/08/19 00:20 | Mertens/Schuurs v Hradecka/Makarova | 2-6,5-7 |
| WTA Cincinnati WD | 2018/08/18 19:55 | Mertens/Schuurs v Christian/Santamaria | 6-1,6-4 |
| WTA Cincinnati WD | 2018/08/17 23:00 | Krejcikova/Siniakova v Mertens/Schuurs | 4-6,1-6 |
| WTA Cincinnati WD | 2018/08/15 19:30 | Brady/Dolehide v Mertens/Schuurs | 6-7,7-5,7-10 |
| WTA Cincinnati WD | 2018/08/14 19:40 | Tomljanovic/Zheng v Mertens/Schuurs | 3-6,2-6 |