Stadium: Grandstand Round: 27 Ground: Hardcourt outdoor
| WTA Cincinnati WD | 2018/08/17 23:00 | Krejcikova B / Siniakova K v Mertens E / Schuurs D | 4-6,1-6 |
| WTA - Miami - Doubles Femmes | 2018/03/30 18:35 | Mertens E / Schuurs D v Krejcikova B / Siniakova K | 6-4,3-6,9-11 |
| WTA - Doha - Doubles Femmes | 2018/02/15 14:50 | Krejcikova B / Siniakova K v Mertens E / Schuurs D | 6-1,4-6,15-13 |
| US Open Women WD | 2018/09/02 18:30 | Krejcikova B / Siniakova K v Kichenok L / Siegemund L | 6-3,6-2 |
| US Open Women WD | 2018/08/31 18:30 | Krejcikova B / Siniakova K v Mattek-Sands B / Safarova L | 6-4,6-3 |
| US Open Women WD | 2018/08/29 18:40 | Krejcikova B / Siniakova K v Bondarenko K / Krunic A | 7-6,6-1 |
| WTA Cincinnati WD | 2018/08/17 23:00 | Krejcikova B / Siniakova K v Mertens E / Schuurs D | 4-6,1-6 |
| WTA Cincinnati WD | 2018/08/14 19:30 | Krejcikova B / Siniakova K v Olaru R / Zvonareva V | 4-6,6-4,10-7 |
| WTA Montreal WD | 2018/08/09 15:00 | Krejcikova B / Siniakova K v Aoyama S / Marozava L | 6-4,6-7,8-10 |
| Wimbledon Women WD | 2018/07/14 17:00 | Krejcikova B / Siniakova K v Melichar N / Peschke K | 6-4,4-6,6-0 |
| Wimbledon Women WD | 2018/07/13 14:35 | Rosolska A / Spears A v Krejcikova B / Siniakova K | 5-7,4-6 |
| US Open Women WD | 2018/09/03 22:15 | Hsieh S-W / Sabalenka A v Mertens E / Schuurs D | 5-7,4-6 |
| US Open Women WD | 2018/09/01 15:00 | Diatchenko V / Gasparyan M v Mertens E / Schuurs D | 4-6,0-6 |
| US Open Women WD | 2018/08/30 16:50 | Gavrilova D / Martic P v Mertens E / Schuurs D | 3-6,7-5,2-6 |
| WTA Cincinnati WD | 2018/08/19 00:20 | Mertens E / Schuurs D v Hradecka / Makarova | 2-6,5-7 |
| WTA Cincinnati WD | 2018/08/18 19:55 | Mertens E / Schuurs D v Christian K / Santamaria S | 6-1,6-4 |
| WTA Cincinnati WD | 2018/08/17 23:00 | Krejcikova B / Siniakova K v Mertens E / Schuurs D | 4-6,1-6 |
| WTA Cincinnati WD | 2018/08/15 19:30 | Brady J / Dolehide C v Mertens E / Schuurs D | 6-7,7-5,7-10 |
| WTA Cincinnati WD | 2018/08/14 19:40 | Tomljanovic/Zheng v Mertens E / Schuurs D | 3-6,2-6 |