[141] Kristie Ahn 1-6,1-6 Elise Mertens [26] 2019-09-02 20:35
Stadium: Louis Armstrong Stadium Round: 26 Ground: Hardcourt outdoor
Head to Head
| WTA San Jose | 2019/08/01 19:20 | Kristie Ahn v Elise Mertens | 6-3,6-3 |
| ITF Women Atlanta | 2016/09/17 15:00 | Elise Mertens v Kristie Ahn | 7-6,6-4 |
| US Open 2016 Women | 2016/08/26 15:00 | Kristie Ahn v Elise Mertens | 1-6,4-6 |
Home History
| US Open Women | 2019/08/31 16:35 | Kristie Ahn v Jelena Ostapenko | 6-3,7-5 |
| US Open Women | 2019/08/29 21:00 | Anna Kalinskaya v Kristie Ahn | 2-6,3-6 |
| US Open Women | 2019/08/27 23:05 | Kristie Ahn v Svetlana Kuznetsova | 7-5,6-2 |
| WTA New York | 2019/08/21 15:00 | Karolina Muchova v Kristie Ahn | 6-3,6-1 |
| WTA New York | 2019/08/19 17:00 | Kristie Ahn v Jil Teichmann | 6-3,6-4 |
| WTA Cincinnati | 2019/08/10 20:30 | Kristie Ahn v Lauren Davis | 6-2,6-7,2-6 |
| WTA San Jose | 2019/08/03 00:00 | Donna Vekic v Kristie Ahn | 7-5,6-0 |
| WTA San Jose | 2019/08/01 19:20 | Kristie Ahn v Elise Mertens | 6-3,6-3 |
Away History
| US Open Women | 2019/08/31 15:00 | Elise Mertens v Andrea Petkovic | 6-3,6-3 |
| US Open Women | 2019/08/29 18:00 | Elise Mertens v Kristyna Pliskova | 6-2,6-2 |
| US Open Women | 2019/08/27 20:35 | Elise Mertens v Jil Teichmann | 6-2,6-2 |
| WTA Cincinnati | 2019/08/14 15:00 | Elina Svitolina v Elise Mertens | 6-4,6-1 |
| WTA Cincinnati | 2019/08/12 15:00 | Elise Mertens v Caty McNally | 7-5,6-0 |
| WTA Toronto | 2019/08/07 23:05 | Serena Williams v Elise Mertens | 6-3,6-3 |
| WTA Toronto | 2019/08/05 15:00 | Elise Mertens v Aliaksandra Sasnovich | 3-6,6-3,6-1 |
| WTA San Jose | 2019/08/01 19:20 | Kristie Ahn v Elise Mertens | 6-3,6-3 |