[190] Katie Boulter 6-2,5-7,6-4 Vitalia Diatchenko [139] 2021-08-26 20:45
Stadium: Court 8 Round: 15 Ground: Hardcourt outdoor
Home History
| US Open Women | 2021/08/25 15:00 | Gabriella Price v Katie Boulter | 3-6,2-6 |
| ITF W100 Landisville | 2021/08/10 14:00 | Katie Boulter v Ankita Raina | 4-6,1-6 |
| ITF W100 Landisville | 2021/08/09 14:00 | Katie Boulter v Elizabeth Mandlik | 7-5,6-4 |
| Wimbledon Women | 2021/06/30 14:40 | Katie Boulter v Aryna Sabalenka | 6-4,3-6,3-6 |
| Wimbledon Women | 2021/06/28 14:30 | Danielle Lao v Katie Boulter | 7-6,3-6,4-6 |
| WTA Nottingham | 2021/06/10 16:30 | Katie Boulter v Heather Watson | 7-6,6-3 |
| WTA Nottingham | 2021/06/09 12:30 | Marie Bouzkova v Katie Boulter | 4-6,3-6 |
| WTA Nottingham | 2021/06/07 17:20 | Maria Camila Osorio v Katie Boulter | 2-6,3-6 |
Away History
| US Open Women | 2021/08/25 15:00 | Marie Benoit v Vitalia Diatchenko | 6-4,3-6,4-6 |
| WTA Chicago | 2021/08/20 19:55 | Claire Liu v Vitalia Diatchenko | 6-2,6-3 |
| WTA Chicago | 2021/08/19 17:30 | Kateryna Baindl v Vitalia Diatchenko | 5-7,6-1,4-6 |
| WTA Chicago | 2021/08/17 20:25 | Vitalia Diatchenko v Ana Konjuh | 7-6,6-3 |
| WTA Chicago | 2021/08/16 16:00 | Vitalia Diatchenko v Dalayna Hewitt | 7-6,6-3 |
| ITF W100 Landisville | 2021/08/11 13:30 | Grace Min v Vitalia Diatchenko | 6-3,5-7,7-6 |
| WTA Palermo | 2021/07/21 15:05 | Oceane Dodin v Vitalia Diatchenko | 7-6,6-4 |
| WTA Palermo | 2021/07/19 15:40 | Vitalia Diatchenko v Julia Grabher | 6-3,7-6 |