Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF - Florence W25 | 2019/10/15 13:55 | Maria Jose Portillo Ramirez v Andie K. Daniell | 2-6,2-6 |
| ITF - Lubbock W15 | 2019/09/18 17:25 | Savannah Broadus v Maria Jose Portillo Ramirez | 6-4,2-6,6-3 |
| ITF - Redding W25 | 2019/09/11 17:00 | Peyton Stearns v Maria Jose Portillo Ramirez | 7-6,6-2 |
| ITF - Redding W25 | 2019/09/10 17:00 | Maria Jose Portillo Ramirez v Julia Rosenqvist | 3-6,6-2,10-4 |
| ITF - Redding W25 | 2019/09/09 17:00 | Maria Jose Portillo Ramirez v Sybille Gauvain | 6-2,1-6,10-8 |
| ITF - Guayaquil W25 | 2019/08/21 19:30 | Maria Jose Portillo Ramirez v Katerina Stewart | 6-3,6-7,0-6 |
| ITF - Guayaquil W25 | 2019/08/15 15:00 | Maria Jose Portillo Ramirez v Mari Osaka | 3-6,2-6 |
| ITF - Guayaquil W25 | 2019/08/13 16:20 | Joselyn M T Albarracin v Maria Jose Portillo Ramirez | 2-6,1-6 |
| ITF W25 Waco | 2019/10/14 17:00 | Rhiann Newborn v Kailey Evans | 4-6,6-7 |
| ITF W25 Waco | 2019/10/13 17:30 | Rhiann Newborn v Bianca Jolie Fernandez | 6-3,6-1 |
| ITF - Charleston W60 | 2019/09/30 15:45 | Alycia Parks v Rhiann Newborn | 6-2,6-4 |
| ITF W60 Landisville | 2019/08/05 19:40 | Maria Sanchez v Rhiann Newborn | 7-6,1-6,10-3 |
| ITF - Fort Worth W25 | 2019/07/31 14:55 | Rhiann Newborn v Chieh-Yu Hsu | 1-6,2-6 |
| ITF W60 Ashland | 2019/07/23 14:05 | Fatma Al Nabhani v Rhiann Newborn | 6-2,6-0 |
| ITF W60 Ashland | 2019/07/22 16:35 | Mariia Kostiuk v Rhiann Newborn | 3-6,1-6 |
| ITF W60 Honolulu | 2019/07/08 20:00 | Rhiann Newborn v Ramu Ueda | 6-3,2-6,10-12 |