[22] Naomi Osaka 6-2,6-3 Heather Watson [77] 2018-04-21 04:00
Estádio: Bourbon Beans Dome Round: 27
Home History
| WTA - Charleston | 2018/04/05 15:00 | Julia Goerges v Naomi Osaka | 7-6,6-3 |
| WTA - Charleston | 2018/04/04 15:45 | Laura Siegemund v Naomi Osaka | 3-6,6-7 |
| WTA - Charleston | 2018/04/02 17:30 | Jennifer Brady v Naomi Osaka | 4-6,4-6 |
| WTA - Miami | 2018/03/23 15:00 | Naomi Osaka v Elina Svitolina | 4-6,2-6 |
| WTA - Miami | 2018/03/21 20:35 | Serena Williams v Naomi Osaka | 3-6,2-6 |
| WTA - Indian Wells | 2018/03/18 18:00 | Naomi Osaka v Daria Kasatkina | 6-3,6-2 |
| WTA - Indian Wells | 2018/03/17 05:10 | Simona Halep v Naomi Osaka | 3-6,0-6 |
| WTA - Indian Wells | 2018/03/15 03:40 | Naomi Osaka v Karolina Pliskova | 6-2,6-3 |
Away History
| WTA - Charleston | 2018/04/03 14:00 | Heather Watson v Taylor Townsend | 3-6,4-6 |
| WTA - Miami | 2018/03/20 17:05 | Beatriz Haddad Maia v Heather Watson | 7-6,6-2 |
| WTA - Indian Wells | 2018/03/09 05:50 | Victoria Azarenka v Heather Watson | 6-4,6-2 |
| WTA - Acapulco | 2018/02/28 00:20 | Beatriz Haddad Maia v Heather Watson | 7-5,4-6,6-1 |
| Fed Cup 2018 | 2018/02/10 14:00 | Heather Watson v Dalma Galfi | 3-6,6-1,6-4 |
| Fed Cup 2018 | 2018/02/09 14:00 | Heather Watson v Katriin Saar | 6-1,6-1 |
| Fed Cup 2018 | 2018/02/07 14:00 | Heather Watson v Francisca Jorge | 6-4,6-2 |
| WTA - S. Petersburgo - Qualificação | 2018/01/27 12:45 | Heather Watson v Roberta Vinci | 3-6,4-6 |