Stadium: Court 9 Round: 26 Ground: Hardcourt outdoor
| ITF W15 - Cancun | 2021/10/06 17:25 | Rushri Wijesundera v Anna Ulyashchenko | 1-6,7-5,2-6 |
| ITF W15 - Cancun | 2021/10/05 15:30 | Anna Ulyashchenko v Koral Koldobski | 6-0,3-6,10-1 |
| ITF W15 - Cancun | 2021/10/04 16:30 | Anna Ulyashchenko v Kyle McPhillips | 6-2,6-4 |
| ITF W15 - Cancun | 2021/09/28 15:30 | Anna Ulyashchenko v Qavia Lopez | 6-2,3-6,6-10 |
| ITF W15 - Cancun | 2021/09/27 17:30 | Anna Ulyashchenko v Natsuho Arakawa | 4-6,6-3,14-12 |
| ITF W15 - Cancun | 2021/09/21 22:20 | Rushri Wijesundera v Anna Ulyashchenko | 6-2,7-6 |
| ITF W25 Evansville | 2021/07/13 16:25 | Lia Karatancheva v Anna Ulyashchenko | 6-1,6-3 |
| ITF W25 Evansville | 2021/07/12 14:00 | Madison Bourguignon v Anna Ulyashchenko | 3-6,1-6 |
| ITF W15 - Cancun | 2021/10/03 20:30 | Maria Jose Portillo Ramirez v Darja Semenistaja | 3-6,5-7 |
| ITF W15 - Cancun | 2021/10/02 15:00 | Jana Kolodynska v Maria Jose Portillo Ramirez | 7-5,1-6,1-6 |
| ITF W15 - Cancun | 2021/09/30 17:30 | Maria Jose Portillo Ramirez v Anna Rogers | 6-4,6-1 |
| ITF W15 - Cancun | 2021/09/28 20:45 | Maria Jose Portillo Ramirez v Alice Gillan | 6-1,6-3 |
| ITF W15 - Cancun | 2021/09/25 15:00 | Maria Jose Portillo Ramirez v Christina Rosca | 6-1,4-6,3-6 |
| ITF W15 - Cancun | 2021/09/23 14:00 | Akilah James v Maria Jose Portillo Ramirez | 4-6,1-6 |
| ITF W15 - Cancun | 2021/09/22 16:00 | Maria I Yapur Lopez v Maria Jose Portillo Ramirez | 0-6,1-6 |
| ITF W25 - Torino | 2021/07/05 07:55 | Nika Radisic v Maria Jose Portillo Ramirez | 6-2,7-6 |