Stadium: Court 12 Round: 25 Ground: Hardcourt outdoor
| ITF W15 - Cancun | 2021/09/21 22:20 | Rushri Wijesundera v Anna Ulyashchenko | 6-2,7-6 |
| ITF W15 - Cancun | 2021/09/28 18:30 | Rushri Wijesundera v Jana Kolodynska | 3-6,0-6 |
| ITF W15 - Cancun | 2021/09/23 14:00 | Rushri Wijesundera v Victoria Rodriguez | 1-6,2-6 |
| ITF W15 - Cancun | 2021/09/21 22:20 | Rushri Wijesundera v Anna Ulyashchenko | 6-2,7-6 |
| ITF M25 - Medellín | 2021/09/15 17:00 | Rushri Wijesundera v Emiliana Arango | 1-6,2-6 |
| ITF W15 - Ibagué | 2021/09/10 15:00 | Thaisa Grana Pedretti v Rushri Wijesundera | 6-4,6-3 |
| ITF W15 - Ibagué | 2021/09/09 16:00 | Rushri Wijesundera v Yuliana Monroy | 3-6,6-1,6-3 |
| ITF W15 - Ibagué | 2021/09/08 15:55 | Rushri Wijesundera v Sara Alba Verastegui | 6-0,6-0 |
| ITF W15 - Savitaipale | 2021/07/29 10:25 | Rushri Wijesundera v Elena Malygina | 4-6,3-6 |
| 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 Monastir | 2021/05/17 10:30 | Anna Ulyashchenko v Natsuho Arakawa | 1-6,1-6 |