Stadium: Court 1 Round: 54 Ground: Clay
| ITF W25 - Austin | 2021/10/26 17:40 | Maria Jose Portillo Ramirez v Liga Dekmeijere | 6-2,4-6,7-10 |
| ITF W25 - Austin | 2021/10/25 17:00 | Maria Jose Portillo Ramirez v Rachel Gailis | 6-4,7-5 |
| ITF W15 - Cancun | 2021/10/14 17:00 | Rachel Gailis v Maria Jose Portillo Ramirez | 7-5,6-7,7-6 |
| ITF W15 - Cancun | 2021/10/13 17:00 | Maria I Yapur Lopez v Maria Jose Portillo Ramirez | 1-6,1-6 |
| ITF W15 - Cancun | 2021/10/10 15:30 | Darja Semenistaja v Maria Jose Portillo Ramirez | 5-7,7-6,6-0 |
| ITF W15 - Cancun | 2021/10/09 15:00 | Paris Corley v Maria Jose Portillo Ramirez | 2-6,2-6 |
| ITF W15 - Cancun | 2021/10/08 15:00 | Yuliana Monroy v Maria Jose Portillo Ramirez | 5-7,2-6 |
| ITF W15 - Cancun | 2021/10/07 17:45 | Anna Ulyashchenko v Maria Jose Portillo Ramirez | 6-7,4-6 |
| ITF W80 - Tyler | 2021/10/27 17:55 | Maria Kononova v Beatriz Haddad Maia | 1-6,1-6 |
| ITF W25 - Firenze | 2021/10/11 17:00 | Maria Kononova v Katja Wiersholm | 6-7,4-6 |
| ITF W60 - Las Vegas | 2021/10/04 20:00 | Marcela Zacarias v Maria Kononova | 6-1,6-3 |
| ITF W15 - Lubbock | 2021/09/28 15:00 | Anita Sahdiieva v Maria Kononova | 6-3,6-2 |
| ITF W15 - Lubbock | 2021/09/27 15:00 | Maria Kononova v Elizabeth Danailova | 6-2,6-1 |
| ITF W25 - Fort Worth | 2021/09/21 16:25 | Maria Kononova v Alexa Graham | 1-6,3-6 |
| ITF W25 - Fort Worth | 2021/09/20 14:00 | Maria Kononova v Isabel P. Montalvo | 6-1,7-6 |
| UTR Pro Tennis Series - Dallas - Kvinder | 2021/09/18 14:00 | Tatiana Makarova v Maria Kononova | 6-7,6-4,6-4 |