[324] Mari Osaka 0-6,0-6 Katie Volynets [471] 2019-01-22 18:00
Stadium: Court 4 Round: 24 Ground: Hardcourt outdoor
Head to Head
| ITF Women Florence | 2018/10/20 17:55 | Katie Volynets v Mari Osaka | 2-6,6-4,3-6 |
Home History
| ITF Women Toronto | 2018/10/31 15:20 | Bianca Andreescu v Mari Osaka | 6-1,6-1 |
| ITF Women Florence | 2018/10/21 17:00 | Mari Osaka v Bianca Andreescu | 4-6,6-2,3-6 |
| ITF Women Florence | 2018/10/20 17:55 | Katie Volynets v Mari Osaka | 2-6,6-4,3-6 |
| ITF Women Florence | 2018/10/19 14:00 | Mari Osaka v Paula Cristina Goncalves | 5-7,6-4,6-1 |
| ITF Women Florence | 2018/10/18 14:00 | Ulrikke Eikeri v Mari Osaka | 1-6,3-6 |
| ITF Women Florence | 2018/10/16 17:55 | Quinn Gleason v Mari Osaka | 1-6,6-7 |
| ITF Women Stockton | 2018/10/04 22:30 | Mari Osaka v Robin Anderson | 5-7,4-6 |
| ITF Women Stockton | 2018/10/03 20:55 | Mari Osaka v Maria Sanchez | 6-1,6-3 |
Away History
| WTA Newport Beach | 2019/01/21 18:00 | Alexa Guarachi v Katie Volynets | 6-4,4-6,3-6 |
| ITF W25 Daytona Beach | 2019/01/16 16:15 | Ylena In-Albon v Katie Volynets | 6-4,6-1 |
| ITF W25 Daytona Beach | 2019/01/15 14:30 | Katie Volynets v Marine Partaud | 7-5,6-2 |
| ITF W25 Daytona Beach | 2019/01/14 16:00 | Hailey Baptiste v Katie Volynets | 6-0,6-7,4-10 |
| ITF Women Norman | 2018/11/17 16:00 | Katie Volynets v Maria Camila Osorio | 4-6,2-6 |
| ITF Women Norman | 2018/11/16 16:30 | Katie Volynets v Miharu Imanishi | 6-3,7-6 |
| ITF Women Norman | 2018/11/15 18:05 | Sophie Chang v Katie Volynets | 3-6,3-6 |
| ITF Women Norman | 2018/11/14 21:20 | Katie Volynets v Ksenia Laskutova | 6-4,6-1 |