Stadium: Estadio Round: 54 Ground: Hardcourt outdoor
| 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 |
| ITF W25 Orlando | 2019/11/11 15:00 | Caroline Werner v Maria Jose Portillo Ramirez | 6-4,3-6,10-4 |
| ITF W15 Cancun | 2019/11/10 14:00 | Maria Jose Portillo Ramirez v Tiphanie Lemaitre | 6-7,7-5,6-2 |
| ITF W15 Cancun | 2019/11/09 14:00 | Maria Jose Portillo Ramirez v Anastasia Sysoeva | 6-2,6-2 |
| ITF W15 Cancun | 2019/11/08 14:00 | Maria Jose Portillo Ramirez v Laetitia Pulchartova | 4-6,6-4,6-2 |
| ITF W25 Las Vegas | 2020/03/03 18:00 | Sofia Sewing v Charlotte Chavatipon | 6-3,6-4 |
| ITF W25 Las Vegas | 2020/03/02 18:00 | Charlotte Chavatipon v Lorraine M. Guillermo | 0-6,6-3,10-4 |
| ITF W25 Rancho Santa Fe | 2020/02/23 19:00 | Eudice Chong v Charlotte Chavatipon | 6-2,6-3 |
| ITF W25 Vero Beach | 2020/01/20 16:00 | Mari Osaka v Charlotte Chavatipon | 1-6,7-6,10-5 |
| ITF W25 Daytona Beach | 2020/01/14 16:40 | Guiomar Maristany Zuleta De Reales v Charlotte Chavatipon | 6-4,6-3 |
| ITF W60 Las Vegas | 2019/11/06 17:00 | Alexa Glatch v Charlotte Chavatipon | 7-6,6-4 |
| ITF W60 Las Vegas | 2019/11/05 16:55 | Mirabelle Brettkelly v Charlotte Chavatipon | 2-6,1-6 |
| ITF W60 Las Vegas | 2019/11/04 16:55 | Charlotte Chavatipon v Jacqueline Cako | 6-4,6-4 |