| ITF W100 Palm Harbor | 04/11 19:40 | 54 | [500] Maria Jose Portillo Ramirez v Tara Moore [387] | 6-3,6-3 | |
| UTR Pro Tennis Series Atlanta - Femenino | 04/03 12:30 | - | Maria Jose Portillo Ramirez v Luciana Perry | 6-0,7-6 | |
| UTR Pro Tennis Series Atlanta - Femenino | 04/02 12:30 | - | Maria Jose Portillo Ramirez v Mai Nguyen | 6-1,6-3 | |
| UTR Pro Tennis Series Atlanta - Femenino | 03/31 18:30 | - | Maria Portillo Ramirez v Jo-Yee Chan | 6-0,6-1 | |
| UTR Pro Tennis Series Atlanta - Femenino | 03/30 15:30 | - | Maria Portillo Ramirez v Berta Bonardi | 6-7,3-6 | |
| UTR Pro Tennis Series Atlanta - Femenino | 03/29 17:48 | - | Maria Portillo Ramirez v Alejandra F Rodriguez | 6-1,2-6,6-4 | |
| UTR Pro Tennis Series Atlanta - Femenino | 03/28 12:30 | - | Maria Portillo Ramirez v Quetzali D V Montesinos | 6-1,6-1 | |
| WTA Monterrey | 02/26 23:05 | 14 | [450] Maria Portillo Ramirez v Hailey Baptiste [131] | 4-6,6-2,3-6 | |
| ITF W25 Cancún | 02/08 15:55 | 44 | [400] Eva Vedder v Maria Jose Portillo Ramirez [456] | 6-3,6-3 | |
| ITF W25 Cancún | 02/06 20:00 | 44 | Lauren Proctor v Maria Jose Portillo Ramirez | 3-6,1-6 | |
| ITF W60 Roma, GA | 01/31 14:50 | 54 | [258] Marcela Zacarias v Maria Jose Portillo Ramirez [500] | 6-1,6-1 | |
| ITF W60 Orlando | 01/24 19:45 | 54 | Maria Jose Portillo Ramirez v Vera Lapko | Cancelled | |
| ITF W15 Cancún | 01/23 14:00 | 29 | Hina Inoue v Maria Jose Portillo Ramirez | 1-6,6-3,7-6 | |
| ITF W15 Cancún | 01/22 15:00 | 28 | Natalia Siedliska v Maria Jose Portillo Ramirez | 6-7,2-6 | |
| ITF W15 Cancún | 01/21 15:00 | 27 | Katarina Kuzmova v Maria Jose Portillo Ramirez | 0-6,3-6 | |
| ITF W15 Cancún | 01/20 18:15 | 26 | Lexington Reed v Maria Jose Portillo Ramirez | 3-6,2-6 | |
| ITF W15 Cancún | 01/19 20:05 | 25 | Esther Vyrlan v Maria Jose Portillo Ramirez | 3-6,3-6 | |
| ITF W25 Naples | 11/16 17:20 | 54 | Maria Jose Portillo Ramirez v Kennedy Shaffer | 2-6,7-6,10-12 | |
| ITF W25 Naples | 11/15 15:30 | 54 | Maria Jose Portillo Ramirez v Eleana Yu | 6-4,6-1 | |
| ITF 25 Daytona Beach - Femenino | 11/13 15:00 | 28 | [235] Alycia Parks v Maria Jose P Ramirez [462] | 6-2,2-6,6-4 | |
| ITF 25 Daytona Beach - Femenino | 11/12 14:55 | 27 | [269] Na-Lae Han v Maria Jose P Ramirez [462] | 2-6,4-6 | |
| ITF 25 Daytona Beach - Femenino | 11/11 16:25 | 26 | [387] Alice Rame v Maria Jose P Ramirez [462] | 6-4,1-6,3-6 | |
| ITF 25 Daytona Beach - Femenino | 11/10 15:55 | 25 | [462] Maria Jose P Ramirez v Ipek Oz [296] | 6-4,6-2 | |
| ITF 25 Daytona Beach - Femenino | 11/09 16:10 | 54 | Maria Jose P Ramirez v Christina Rosca | 6-3,3-6,11-9 | |
| ITF 25 Daytona Beach - Femenino | 11/08 16:00 | 54 | Maria Jose Portillo Ramirez v Lexington Reed | 6-1,6-3 | |
| ITF W25 Orlando | 11/06 15:30 | 27 | [479] Maria Jose Portillo Ramirez v Amina Anshba [302] | 1-6,6-7 | |
| ITF W25 Orlando | 11/04 15:00 | 26 | [308] Fernanda Contreras Gómez v Maria Jose Portillo Ramirez [479] | 7-5,6-7,1-6 | |
| ITF W25 Orlando | 11/03 19:05 | 25 | [479] Maria Jose Portillo Ramirez v Chieh-Yu Hsu [258] | 6-2,6-7,6-1 | |
| ITF W25 Orlando | 11/02 13:55 | 54 | Maria Jose Portillo Ramirez v Katja Wiersholm | 6-1,6-3 | |
| ITF W25 Orlando | 11/01 17:00 | 54 | Maria Jose Portillo Ramirez v Maria Kononova | 6-4,6-1 |