Stadium: Court 3 Round: 54 Ground: Clay
| ITF - W25 Orlando | 2021/11/01 17:00 | Maria Jose Portillo Ramirez v Maria Kononova | 6-4,6-1 |
| 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 - W25 Orlando | 2021/11/01 14:00 | Katja Wiersholm v Jessica Livianu | 4-6,6-2,12-10 |
| ITF W25 - Firenze | 2021/10/13 15:40 | Fernanda Contreras Gomez v Katja Wiersholm | 7-6,6-3 |
| ITF W25 - Firenze | 2021/10/12 15:20 | Lauren Proctor v Katja Wiersholm | 1-6,3-6 |
| ITF W25 - Firenze | 2021/10/11 17:00 | Maria Kononova v Katja Wiersholm | 6-7,4-6 |
| ITF W15 - Hilton Head | 2021/10/09 17:00 | Katja Wiersholm v Ania Hertel | 2-6,1-6 |
| ITF W15 - Hilton Head | 2021/10/09 13:00 | Katja Wiersholm v Emily Ruckno | 6-0,6-0 |
| ITF W15 - Hilton Head | 2021/10/07 14:20 | Joelle Kissell v Katja Wiersholm | 5-7,4-6 |
| ITF W15 - Hilton Head | 2021/10/07 13:00 | Joelle Kissell v Katja Wiersholm | 5-7,4-5 |