| ITF W15 Lubbock | 09/18 17:25 | 25 | Savannah Broadus v Maria Jose Portillo Ramirez | 6-4,2-6,6-3 | |
| ITF W25 Redding | 09/11 17:10 | 25 | Peyton Stearns v Maria Jose Portillo Ramirez | 7-6,6-2 | |
| ITF W25 Redding | 09/10 17:00 | 54 | Maria Jose Portillo Ramirez v Julia Rosenqvist | 3-6,6-2,10-4 | |
| ITF W25 Guayaquil | 08/21 19:40 | 25 | Maria Jose Portillo Ramirez v Katerina Stewart | 6-3,6-7,0-6 | |
| ITF W25 Guayaquil | 08/15 15:00 | 26 | [463] Maria Jose Portillo Ramirez v Mari Osaka [315] | 3-6,2-6 | |
| ITF W25 Guayaquil | 08/13 16:35 | 25 | Joselyn M T Albarracin v Maria Jose Portillo Ramirez | 2-6,1-6 | |
| ITF W15 Cancun | 08/02 13:40 | 27 | Anhzelika Isaeva v Maria Jose Portillo Ramirez | 3-6,6-4,6-3 | |
| ITF W15 Cancun | 08/01 15:25 | 26 | Yarden Akler v Maria Jose P Ramirez | 1-6,1-6 | |
| ITF W15 Cancun | 07/30 15:40 | 25 | Koral Koldobski v Maria Jose P Ramirez | 1-6,3-6 | |
| ITF W15 Cancun | 07/24 13:30 | 25 | Maria Jose Portillo Ramirez v Madison Appel | 2-6,6-1,3-6 | |
| ITF W15 Cancun | 05/17 13:30 | 27 | Maria Jose P Ramirez v Kirsten-Andrea Weedon | 2-6,2-6 | |
| ITF W15 Cancun | 05/16 13:30 | 26 | Maria Jose P Ramirez v Dasha Kourkina | Retired | |
| ITF W15 Cancun | 05/14 13:45 | 25 | Maria Jose P Ramirez v Erika Sandor-Zur | 6-0,6-0 | |
| ITF W15 Cancun | 05/12 15:00 | 29 | Marcela Zacarias v Maria Jose P Ramirez | 6-3,6-1 | |
| ITF W15 Cancun | 05/11 14:00 | 28 | Alexandra Vagramov v Maria Jose P Ramirez | 3-6,3-6 | |
| ITF W15 Cancun | 05/10 15:40 | 27 | Andrea R Villarreal v Maria Jose P Ramirez | 7-5,4-6,6-7 | |
| ITF W15 Cancun | 05/09 14:10 | 26 | Dasha Kourkina v Maria Jose P Ramirez | 1-6,3-6 | |
| ITF W15 Cancun | 05/07 16:00 | 25 | Fatima Y G Martinez v Maria Jose P Ramirez | 1-6,1-6 | |
| ITF W15 Cancun | 04/19 14:00 | 27 | [488] Maria Jose P Ramirez v Marcela Zacarias [420] | 2-6,1-6 | |
| ITF W15 Cancun | 04/18 15:45 | 26 | Maria Jose P Ramirez v Shelly Bereznyak | 6-1,6-0 | |
| ITF W15 Cancun | 04/17 14:00 | 25 | Maria Jose P Ramirez v Angeles M-Barranquero | 6-3,6-7,6-3 | |
| ITF W15 Cancun | 04/13 15:00 | 28 | Maria Jose Portillo Ramirez v Natsumi Kawaguchi | 6-4,3-6,6-7 | |
| ITF W15 Cancun | 04/12 14:30 | 27 | Maria Jose Portillo Ramirez v Maya Tahan | 6-4,6-3 | |
| ITF W15 Cancun | 04/11 16:10 | 26 | Maria Jose Portillo Ramirez v Stephanie Kent | 6-4,7-5 | |
| ITF W15 Cancun | 04/10 17:30 | 25 | Maria Jose Portillo Ramirez v Yureni Reyna Gomez | 6-0,6-0 | |
| ITF W15 Cancun | 03/29 15:55 | 27 | [469] Maria Jose Portillo Ramirez v Montserrat Gonzalez [455] | 5-7,1-6 | |
| ITF W15 Cancun | 03/28 14:00 | 26 | Maria Jose Portillo Ramirez v Josephine Boualem | 1-6,7-6,6-2 | |
| ITF W15 Cancun | 03/27 18:20 | 25 | Maria Jose Portillo Ramirez v Olga Parres Azcoitia | 6-1,6-4 | |
| ITF W15 Cancun | 03/19 19:40 | 25 | Dominique Schaefer v Maria Jose Portillo Ramirez | 2-6,7-6,7-5 | |
| ITF W15 Cancun | 03/12 15:55 | 25 | Maria Jose P Ramirez v Lea Ma | 2-6,4-6 |