[182] Katie Volynets 4-6,4-6 Petra Martic [45] 2021-10-06 23:00
Stadium: Stadium 1 Round: 23 Ground: Hardcourt outdoor
Home History
| ITF W60 Berkeley | 2021/09/29 17:00 | Marcela Zacarias v Katie Volynets | 7-6,3-6,6-2 |
| WTA Columbus | 2021/09/22 16:20 | Lauren Davis v Katie Volynets | 6-2,7-6 |
| WTA Columbus | 2021/09/20 16:40 | Katrina Scott v Katie Volynets | 3-6,6-2,6-7 |
| US Open Women | 2021/08/31 15:00 | Ajla Tomljanovic v Katie Volynets | 6-3,6-1 |
| WTA Cincinnati | 2021/08/14 18:15 | Katie Volynets v Heather Watson | 7-5,2-6,2-6 |
| WTA San Jose | 2021/07/31 20:30 | Emina Bektas v Katie Volynets | 6-4,1-6,6-3 |
| WTA Gdynia | 2021/07/19 09:00 | Kateryna Baindl v Katie Volynets | 7-6,6-2 |
| WTA Budapest | 2021/07/10 13:35 | Katie Volynets v Andrea Lazaro Garcia | 6-7,6-1,3-6 |
Away History
| WTA Portoroz | 2021/09/14 14:20 | Petra Martic v Kaja Juvan | 3-6,4-6 |
| US Open Women | 2021/09/03 01:15 | Ajla Tomljanovic v Petra Martic | 7-6,6-4 |
| US Open Women | 2021/08/31 15:00 | Dalma Galfi v Petra Martic | 3-6,2-6 |
| WTA Cincinnati | 2021/08/16 20:20 | Paula Badosa v Petra Martic | 4-6,6-4,7-6 |
| WTA Montreal | 2021/08/10 21:00 | Petra Martic v Daria Kasatkina | 5-7,3-6 |
| WTA San Jose | 2021/08/04 18:00 | Magda Linette v Petra Martic | 7-5,7-6 |
| WTA San Jose | 2021/08/02 17:00 | Anastasija Sevastova v Petra Martic | 3-6,3-6 |
| Wimbledon Women | 2021/06/30 16:55 | Irina-Camelia Begu v Petra Martic | 7-5,6-7,6-3 |