Heather Watson 6-3,3-6,6-1 Katie Boulter 2018-08-17 17:00
Stadium: Polygon Court Round: 27 Ground: Hardcourt outdoor
Home History
| 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 |
| WTA San Jose | 2018/07/31 22:45 | Heather Watson v Claire Liu | 6-4,3-6,6-4 |
| Wimbledon Women | 2018/07/03 17:50 | Heather Watson v Kirsten Flipkens | 4-6,5-7 |
| WTA Eastbourne | 2018/06/25 15:50 | Kristina Mladenovic v Heather Watson | 6-7,7-5,6-3 |
| WTA Birmingham | 2018/06/19 12:24 | Lesia Tsurenko v Heather Watson | 7-6,7-5 |
Away History
| ITF Women Vancouver | 2018/08/16 19:30 | Anna Kalinskaya v Katie Boulter | 5-7,2-6 |
| ITF Women Vancouver | 2018/08/14 19:30 | Francoise Abanda v Katie Boulter | 6-1,3-6,2-6 |
| WTA Montreal | 2018/08/06 19:10 | Lesia Tsurenko v Katie Boulter | 6-4,6-2 |
| WTA Montreal Qual | 2018/08/05 18:45 | Katie Boulter v Leylah Annie Fernandez | 2-6,6-3,6-4 |
| WTA Washington | 2018/08/02 01:00 | Allie Kiick v Katie Boulter | 6-4,5-7,6-1 |
| WTA Washington | 2018/07/30 18:00 | Katie Boulter v Aleksandra Krunic | 6-2,6-0 |
| Wimbledon Women | 2018/07/05 10:30 | Katie Boulter v Naomi Osaka | 3-6,4-6 |
| Wimbledon Women | 2018/07/03 15:15 | Katie Boulter v Veronica Cepede Royg | 6-4,5-7,6-4 |