[14] Elise Mertens 7-6,6-2 Sloane Stephens [3] 2018-08-16 21:45
Stadium: Grandstand Round: 26 Ground: Hardcourt outdoor
Home History
| WTA Cincinnati | 2018/08/15 15:00 | Elise Mertens v Rebecca Peterson | 3-6,6-2,7-6 |
| WTA Cincinnati | 2018/08/14 15:00 | Elise Mertens v Magdalena Rybarikova | 6-4,6-2 |
| WTA Montreal | 2018/08/11 00:20 | Elina Svitolina v Elise Mertens | 7-5,6-3 |
| WTA Montreal | 2018/08/10 00:15 | Elise Mertens v Aryna Sabalenka | 2-6,7-6,6-0 |
| WTA Montreal | 2018/08/08 18:20 | Elise Mertens v Shuai Zhang | 6-2,6-7,6-0 |
| WTA Montreal | 2018/08/07 20:25 | Elise Mertens v Eugenie Bouchard | 6-2,6-4 |
| WTA San Jose | 2018/08/04 20:00 | Elise Mertens v Mihaela Buzarnescu | 6-4,3-6,1-6 |
| WTA San Jose | 2018/08/03 20:45 | Johanna Konta v Elise Mertens | 6-7,3-6 |
Away History
| WTA Cincinnati | 2018/08/15 15:00 | Tatjana Maria v Sloane Stephens | 3-6,2-6 |
| WTA Montreal | 2018/08/12 17:30 | Simona Halep v Sloane Stephens | 7-6,3-6,6-4 |
| WTA Montreal | 2018/08/11 22:00 | Sloane Stephens v Elina Svitolina | 6-3,6-3 |
| WTA Montreal | 2018/08/10 17:45 | Anastasija Sevastova v Sloane Stephens | 2-6,2-6 |
| WTA Montreal | 2018/08/09 15:00 | Carla Suarez Navarro v Sloane Stephens | 2-6,5-7 |
| WTA Montreal | 2018/08/08 18:20 | Francoise Abanda v Sloane Stephens | 0-6,2-6 |
| WTA Washington | 2018/08/01 18:30 | Andrea Petkovic v Sloane Stephens | 2-6,6-4,6-2 |
| WTA Washington | 2018/07/31 18:30 | Bethanie Mattek-Sands v Sloane Stephens | 5-7,4-6 |