Round: 25 Ground: Hardcourt outdoor
| WTA Indian Wells | 2019/02/25 18:00 | Katie Volynets v Jennifer Brady | 3-6,3-6 |
| ITF W25 Rancho Santa Fe | 2019/02/22 18:00 | Katie Volynets v Kristie Ahn | 0-6,6-2,7-10 |
| ITF W25 Rancho Santa Fe | 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 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 W15 Cancun | 2019/03/31 15:00 | Emily Appleton v Montserrat Gonzalez | 7-6,1-6,3-6 |
| ITF W15 Cancun | 2019/03/30 15:00 | Carson Branstine v Montserrat Gonzalez | 6-3,3-6,3-6 |
| ITF W15 Cancun | 2019/03/29 15:55 | Maria Jose Portillo Ramirez v Montserrat Gonzalez | 5-7,1-6 |
| ITF W15 Cancun | 2019/03/28 16:45 | Kelly Williford v Montserrat Gonzalez | 0-6,0-6 |
| ITF W15 Cancun | 2019/03/27 17:25 | Aymet Uzcategui v Montserrat Gonzalez | 4-6,2-6 |
| ITF W15 Cancun | 2019/03/22 14:00 | Magali Kempen v Montserrat Gonzalez | 6-4,6-4 |
| ITF W15 Cancun | 2019/03/21 14:00 | Karolina Berankova v Montserrat Gonzalez | 6-7,3-6 |
| ITF W15 Cancun | 2019/03/20 14:00 | Aida Garcia Mendez v Montserrat Gonzalez | 0-6,0-6 |