[4] Naomi Osaka 5-7,6-4,1-6 Sloane Stephens [6] 2018-10-22 11:30
Stadium: Singapore Sports Hub Round: 1 Ground: Hardcourt indoor
Home History
| WTA Beijing | 2018/10/06 06:30 | Anastasija Sevastova v Naomi Osaka | 6-4,6-4 |
| WTA Beijing | 2018/10/05 04:30 | Shuai Zhang v Naomi Osaka | 6-3,4-6,5-7 |
| WTA Beijing | 2018/10/04 04:30 | Julia Goerges v Naomi Osaka | 1-6,2-6 |
| WTA Beijing | 2018/10/02 08:00 | Danielle Rose Collins v Naomi Osaka | 1-6,0-6 |
| WTA Beijing | 2018/10/01 10:30 | Zarina Diyas v Naomi Osaka | 4-6,3-6 |
| WTA Tokyo | 2018/09/23 02:00 | Naomi Osaka v Karolina Pliskova | 4-6,4-6 |
| WTA Tokyo | 2018/09/22 04:50 | Camila Giorgi v Naomi Osaka | 2-6,3-6 |
| WTA Tokyo | 2018/09/21 07:25 | Naomi Osaka v Barbora Strycova | 6-3,6-4 |
Away History
| WTA Moscow | 2018/10/17 08:00 | Ons Jabeur v Sloane Stephens | 6-3,6-2 |
| WTA Beijing | 2018/10/03 13:25 | Sloane Stephens v Dominika Cibulkova | 6-4,2-6,3-6 |
| WTA Beijing | 2018/10/02 04:30 | Sloane Stephens v Saisai Zheng | 6-1,6-3 |
| WTA Beijing | 2018/09/30 11:30 | Sloane Stephens v Anastasia Pavlyuchenkova | 6-7,6-4,6-4 |
| WTA Wuhan | 2018/09/23 12:45 | Anett Kontaveit v Sloane Stephens | 4-6,7-5,6-4 |
| WTA Tokyo | 2018/09/18 08:00 | Sloane Stephens v Donna Vekic | 4-6,4-6 |
| US Open Women | 2018/09/04 16:00 | Sloane Stephens v Anastasija Sevastova | 2-6,3-6 |
| US Open Women | 2018/09/02 23:00 | Sloane Stephens v Elise Mertens | 6-3,6-3 |