Estadio: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF Lubbock - Femenino | 2018/09/15 14:00 | Maria Jose Portillo Ramirez v Dominique Schaefer | 6-7,5-7 |
| ITF W15 Arcadia | 2019/03/12 20:50 | Sarah Lee v Dominique Schaefer | 6-1,6-2 |
| ITF Norman - Femenino | 2018/11/10 15:30 | Dominique Schaefer v Marina Davtyan | 4-6,6-4,5-7 |
| ITF Lawrence - Femenino | 2018/11/03 20:00 | Dominique Schaefer v Caty McNally | 1-6,2-6 |
| ITF Stockton - Femenino | 2018/09/30 22:05 | Dominique Schaefer v Paula Cristina Goncalves | 4-6,0-6 |
| ITF Templeton - Femenino | 2018/09/23 20:40 | Dominique Schaefer v Tara Moore | 4-6,7-6,1-6 |
| ITF Lubbock - Femenino | 2018/09/16 14:00 | Ellie Douglas v Dominique Schaefer | 6-2,5-7,6-4 |
| ITF Lubbock - Femenino | 2018/09/15 14:00 | Maria Jose Portillo Ramirez v Dominique Schaefer | 6-7,5-7 |
| ITF Fort Worth - Femenino | 2018/08/04 16:45 | Maria Mateas v Dominique Schaefer | 6-0,6-3 |
| ITF W15 Cancún | 2019/03/12 15:55 | Maria Jose Portillo Ramirez v Lea Ma | 2-6,4-6 |
| ITF W25 Irapuato | 2019/03/04 19:30 | Andrea Gamiz v Maria Jose Portillo Ramirez | 6-2,7-5 |
| WTA Acapulco | 2019/02/23 23:40 | Conny Perrin v Maria Jose Portillo Ramirez | 6-1,6-1 |
| 2019 Fed Cup | 2019/02/09 15:00 | Maria Jose Portillo Ramirez v Alexa Guarachi | 3-6,5-7 |
| ITF Norman - Femenino | 2018/11/11 16:00 | Maria Jose Portillo Ramirez v Tiphanie Lemaitre | 6-7,6-1,2-6 |
| ITF Norman - Femenino | 2018/11/10 18:30 | Maria Jose Portillo Ramirez v Holly Hutchinson | 6-2,6-1 |
| ITF Toronto - Femenino | 2018/10/28 14:00 | Joelle Kissell v Maria Jose Portillo Ramirez | 6-1,6-2 |
| ITF Toronto - Femenino | 2018/10/27 15:50 | Maria Jose Portillo Ramirez v Safiya Carrington | 5-7,7-6,7-5 |