Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF - Rancho Santa Fe W25 | 2019/02/19 20:05 | Sandra Samir v Katie Volynets | 2-6,6-2,3-6 |
| WTA Newport Beach | 2019/01/23 22:00 | Bianca Andreescu v Katie Volynets | 6-2,7-6 |
| WTA Newport Beach | 2019/01/22 18:00 | Mari Osaka v Katie Volynets | 0-6,0-6 |
| WTA Newport Beach | 2019/01/21 18:00 | Alexa Guarachi v Katie Volynets | 6-4,4-6,3-6 |
| ITF - Daytona Beach W25 | 2019/01/16 16:15 | Ylena In-Albon v Katie Volynets | 6-4,6-1 |
| ITF - Daytona Beach W25 | 2019/01/15 14:30 | Katie Volynets v Marine Partaud | 7-5,6-2 |
| ITF - Daytona Beach W25 | 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 - Rancho Santa Fe W25 | 2019/02/19 22:50 | Caty McNally v Kristie Ahn | 6-3,2-6,3-6 |
| ITF - Midland W100 | 2019/02/01 20:30 | Rebecca Peterson v Kristie Ahn | 6-3,4-6,6-4 |
| ITF - Midland W100 | 2019/01/31 17:00 | Kristie Ahn v Marie Bouzkova | 6-3,6-2 |
| ITF - Midland W100 | 2019/01/30 16:40 | Valeria Savinykh v Kristie Ahn | 4-6,2-6 |
| WTA Newport Beach | 2019/01/23 18:00 | Rebecca Peterson v Kristie Ahn | 6-4,6-4 |
| WTA Newport Beach | 2019/01/22 20:00 | Kristie Ahn v Urszula Radwańska | 6-4,6-2 |
| Australian Open - Kobiety | 2019/01/10 00:35 | Viktorija Golubic v Kristie Ahn | 6-4,6-4 |
| Australian Open - Kobiety | 2019/01/08 04:20 | Kristie Ahn v Gabriella Taylor | 6-1,6-1 |