[4] Naomi Osaka 6-4,6-1 Elise Mertens [24] 2019-09-21 06:45
Stadium: Center Round: 28 Ground: Hardcourt outdoor
Head to Head
| WTA Wuhan | 2017/09/25 06:00 | Elise Mertens v Naomi Osaka | 6-4,1-6,6-4 |
Home History
| WTA Osaka | 2019/09/21 03:00 | Naomi Osaka v Yulia Putintseva | 6-4,6-4 |
| WTA Osaka | 2019/09/18 08:10 | Naomi Osaka v Viktoriya Tomova | 7-5,6-3 |
| US Open - Kvinner | 2019/09/02 16:00 | Naomi Osaka v Belinda Bencic | 5-7,4-6 |
| US Open - Kvinner | 2019/08/31 23:00 | Naomi Osaka v Cori Gauff | 6-3,6-0 |
| US Open - Kvinner | 2019/08/29 16:55 | Naomi Osaka v Magda Linette | 6-2,6-4 |
| US Open - Kvinner | 2019/08/27 16:00 | Naomi Osaka v Anna Blinkova | 6-4,6-7,6-2 |
| WTA Cincinnati | 2019/08/15 19:50 | Su-Wei Hsieh v Naomi Osaka | 6-7,7-5,2-6 |
| WTA Cincinnati | 2019/08/14 19:40 | Aliaksandra Sasnovich v Naomi Osaka | 6-7,6-2,2-6 |
Away History
| WTA Osaka | 2019/09/21 03:00 | Camila Giorgi v Elise Mertens | 4-6,3-6 |
| WTA Osaka | 2019/09/18 06:00 | Su-Wei Hsieh v Elise Mertens | 3-6,6-1,2-6 |
| WTA Osaka | 2019/09/16 02:00 | Whitney Osuigwe v Elise Mertens | 3-6,1-6 |
| US Open - Kvinner | 2019/09/04 23:00 | Bianca Andreescu v Elise Mertens | 3-6,6-2,6-3 |
| US Open - Kvinner | 2019/09/02 20:35 | Kristie Ahn v Elise Mertens | 1-6,1-6 |
| US Open - Kvinner | 2019/08/31 15:00 | Elise Mertens v Andrea Petkovic | 6-3,6-3 |
| US Open - Kvinner | 2019/08/29 18:00 | Elise Mertens v Kristyna Pliskova | 6-2,6-2 |
| US Open - Kvinner | 2019/08/27 20:35 | Elise Mertens v Jil Teichmann | 6-2,6-2 |