Round: 1
| ITF - W25 Dallas | 2019/10/22 15:00 | Maria Jose Portillo Ramirez v Rhiann Newborn | 6-4,6-3 |
| Flórida - UTR Pro Tennis Series - Feminino | 2020/06/28 17:30 | Anastasia E Nefedova v Maria Jose Portillo Ramirez | 2-6,6-0,8-10 |
| Flórida - UTR Pro Tennis Series - Feminino | 2020/06/28 14:10 | Elizabeth Halbauer v Maria Jose Portillo Ramirez | 3-6,4-6 |
| Flórida - UTR Pro Tennis Series - Feminino | 2020/06/27 17:00 | Maria Jose Portillo Ramirez v Dasha Ivanova | 5-7,6-3,0-0 |
| ITF - W25 Irapuato | 2020/03/08 17:30 | Maria Jose Portillo Ramirez v Charlotte Chavatipon | 5-7,6-3,6-10 |
| ITF - W25 Las Vegas | 2020/03/02 18:00 | Carolina Alves v Maria Jose Portillo Ramirez | 4-6,7-6,10-6 |
| WTA - Acapulco | 2020/02/23 02:35 | Francesca Di Lorenzo v Maria Jose Portillo Ramirez | 6-3,6-1 |
| ITF - W25 Naples | 2019/11/18 14:00 | Maria Mateas v Maria Jose Portillo Ramirez | 6-4,6-1 |
| ITF - W25 Naples | 2019/11/17 14:00 | Maria Jose Portillo Ramirez v Jerricka Boone | 6-3,6-0 |
| Flórida - UTR Pro Tennis Series - Feminino | 2020/06/27 19:35 | Rhiann Newborn v Anastasia Sysoeva | 6-4,6-3 |
| Flórida - UTR Pro Tennis Series - Feminino | 2020/06/27 15:20 | Rhiann Newborn v Luisa Stefani | 3-6,3-6 |
| Flórida - UTR Pro Tennis Series - Feminino | 2020/06/26 15:54 | Sachia Vickery v Rhiann Newborn | 6-1,6-1 |
| US Pro Tennis Series East Coast - Feminino | 2020/06/25 15:50 | Marine Partaud v Rhiann Newborn | 2-1 |
| US Pro Tennis Series East Coast - Feminino | 2020/06/25 12:00 | Alycia Parks v Rhiann Newborn | 6-4,6-3 |
| US Pro Tennis Series East Coast - Feminino | 2020/06/23 15:50 | Elizabeth Halbauer v Rhiann Newborn | 6-4,4-6,5-10 |
| US Pro Tennis Series East Coast - Feminino | 2020/06/23 12:00 | Shilin Xu v Rhiann Newborn | 6-1,6-2 |
| US Pro Tennis Series East Coast - Feminino | 2020/06/21 14:25 | Anastasia Sysoeva v Rhiann Newborn | 7-6,3-6,4-10 |