[116] Heather Watson 6-1,6-2 Ayano Shimizu [220] 2018-08-23 22:10
Stadium: Court 10 Round: 45 Ground: Hardcourt outdoor
Home History
| US Open Women | 2018/08/22 16:30 | Heather Watson v Cori Gauff | 6-4,6-1 |
| ITF Women Vancouver | 2018/08/19 22:00 | Heather Watson v Misaki Doi | 7-6,1-6,4-6 |
| ITF Women Vancouver | 2018/08/18 23:00 | Nao Hibino v Heather Watson | 2-6,2-6 |
| ITF Women Vancouver | 2018/08/17 17:00 | Heather Watson v Katie Boulter | 6-3,3-6,6-1 |
| ITF Women Vancouver | 2018/08/16 17:00 | Heather Watson v Ysaline Bonaventure | 4-6,6-4,6-4 |
| ITF Women Vancouver | 2018/08/14 18:50 | Ekaterina Alexandrova v Heather Watson | 2-6,2-6 |
| ITF Women Landisville | 2018/08/08 18:05 | Ann Li v Heather Watson | 6-1,7-6 |
| WTA San Jose | 2018/08/03 02:00 | Venus Williams v Heather Watson | 6-4,4-6,6-0 |
Away History
| US Open Women | 2018/08/22 16:20 | Ayano Shimizu v Xinyun Han | 4-6,6-3,6-4 |
| WTA Nanchang | 2018/07/24 11:30 | Ayano Shimizu v Sabina Sharipova | 2-6,0-6 |
| ITF Women Contrexeville | 2018/07/11 08:00 | Ayano Shimizu v Claire Liu | 4-6,4-6 |
| ITF Women Denain | 2018/07/06 09:00 | Allie Kiick v Ayano Shimizu | 6-1,6-2 |
| ITF Women Denain | 2018/07/05 09:00 | Guiomar Maristany Zuleta De Reales v Ayano Shimizu | 1-6,6-7 |
| ITF Women Denain | 2018/07/03 11:40 | Audrey Albie v Ayano Shimizu | 4-6,7-6,3-6 |
| Wimbledon Women Qual | 2018/06/27 12:00 | Ayano Shimizu v Viktoriya Tomova | 3-6,6-4,0-6 |
| Wimbledon Women Qual | 2018/06/26 12:10 | Ayano Shimizu v Tamara Korpatsch | 4-6,7-5,6-1 |