Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF W25 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 Savitaipale | 2021/07/28 08:35 | Ivania Martinich v Rushri Wijesundera | 6-2,2-6,6-7 |
| ITF W25 Evansville | 2021/07/13 15:35 | Elvina Kalieva v Rushri Wijesundera | 7-5,6-2 |
| ITF W25 Santo Domingo | 2021/06/07 16:30 | Rushri Wijesundera v Amy Zhu | 4-6,6-7 |
| 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 |
| ITF W15 Monastir | 2021/05/12 08:30 | Anna Ulyashchenko v Angelica Raggi | 3-6,1-6 |
| ITF W15 Monastir | 2021/05/11 08:30 | Anna Ulyashchenko v Sem Wensveen | 7-6,6-2 |
| ITF W15 Monastir | 2021/05/10 11:30 | Anna Ulyashchenko v Natsuho Arakawa | 6-4,1-6,11-9 |
| ITF W15 Monastir | 2021/05/03 15:30 | Anna Ulyashchenko v Ines Nicault | 6-7,1-6 |
| ITF W15 Monastir | 2021/05/02 15:30 | Anna Ulyashchenko v Emira Stafford | 6-0,6-1 |