| Irapuato, Singles W-ITF-MEX-02A | 03/08 17:30 | 54 | Maria Jose Portillo Ramirez v Chavatipon, Charlotte | 5-7,6-3,6-10 | |
| Las Vegas, Singles W-ITF-USA-08A | 03/02 18:00 | 54 | Carolina Alves v Maria Jose Portillo Ramirez | 4-6,7-6,10-6 | |
| Acapulco, Mexico | 02/23 02:35 | 45 | [120] Di Lorenzo, Francesca v Portillo Ramirez, Maria Jose [421] | 6-3,6-1 | |
| ITF W25 Naples | 11/18 14:00 | 44 | Maria Mateas v Maria Jose Portillo Ramirez | 6-4,6-1 | |
| ITF W25 Naples | 11/17 14:00 | 44 | Maria Jose Portillo Ramirez v Jerricka Boone | 6-3,6-0 | |
| ITF W25 Orlando | 11/11 15:00 | 54 | Caroline Werner v Maria Jose Portillo Ramirez | 6-4,3-6,10-4 | |
| ITF W15 Cancun | 11/10 14:00 | 29 | Maria Jose Portillo Ramirez v Fiquet, Tiphanie | 6-7,7-5,6-2 | |
| ITF W15 Cancun | 11/09 14:00 | 28 | Maria Jose Portillo Ramirez v Sysoeva, Anastasia | 6-2,6-2 | |
| ITF W15 Cancun | 11/08 14:00 | 27 | Maria Jose Portillo Ramirez v Pulchartova, Laetitia | 4-6,6-4,6-2 | |
| ITF W15 Cancun | 11/07 14:05 | 26 | Maria Jose Portillo Ramirez v Diana Martynov | Retired | |
| ITF W15 Cancun | 11/06 18:25 | 25 | Maria Jose Portillo Ramirez v Cardenas Rifka, Romary | 6-1,6-4 | |
| ITF W25 Dallas | 10/23 16:25 | 25 | Ingrid Gamarra Martins v Maria Jose P Ramirez | 6-4,6-4 | |
| ITF W25 Dallas | 10/22 15:00 | 54 | Maria Jose P Ramirez v Rhiann Newborn | 6-4,6-3 | |
| ITF W25 Florence | 10/15 13:55 | 44 | Maria Jose Portillo Ramirez v Daniell, Andie K. | 2-6,2-6 | |
| ITF W15 Lubbock | 09/18 17:25 | 25 | Broadus, Savannah v Maria Jose Portillo Ramirez | 6-4,2-6,6-3 | |
| ITF W25 Redding | 09/11 17:00 | 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 Rosenqvist, Julia | 3-6,6-2,10-4 | |
| ITF W25 Redding | 09/09 17:00 | 54 | Maria Jose Portillo Ramirez v Gauvain, Sybille | 6-2,1-6,10-8 | |
| ITF W25 Guayaquil | 08/21 19:30 | 25 | Maria Jose Portillo Ramirez v Stewart, Katerina | 6-3,6-7,0-6 | |
| ITF W25 Guayaquil | 08/15 15:00 | 26 | [463] Maria Jose Portillo Ramirez v Osaka, Mari [315] | 3-6,2-6 | |
| ITF W25 Guayaquil | 08/13 16:20 | 25 | Treyes Albarracin, Joselyn Margarita v Maria Jose Portillo Ramirez | 2-6,1-6 | |
| ITF W15 Cancun | 08/02 13:30 | 27 | Anhzelika Isaeva v Maria Jose Portillo Ramirez | 3-6,6-4,6-3 | |
| ITF W15 Cancun | 08/01 15:25 | 26 | Akler, Yarden v Maria Jose P Ramirez | 1-6,1-6 | |
| ITF W15 Cancun | 07/30 15:30 | 25 | Koldobski, Koral v Maria Jose P Ramirez | 1-6,3-6 | |
| ITF W15 Cancun | 07/24 13:30 | 25 | Maria Jose Portillo Ramirez v Appel, Madison | 2-6,6-1,3-6 | |
| ITF W15 Cancun | 05/17 13:30 | 27 | Maria Jose P Ramirez v Weedon, Kirsten-Andrea | 2-6,2-6 | |
| ITF W15 Cancun | 05/16 13:30 | 26 | Maria Jose P Ramirez v Kourkina, Dasha | Retired | |
| ITF W15 Cancun | 05/14 13:30 | 25 | Maria Jose P Ramirez v Sandor-Zur, Erika | 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 | Vagramov, Alexandra v Maria Jose P Ramirez | 3-6,3-6 |