stadio: Court 1 Round: 27 Ground: Clay
| ITF W15 Ibague | 2021/09/09 16:00 | Thaisa Grana Pedretti v Ana Maria Becerra | 6-2,6-2 |
| ITF W15 Ibague | 2021/09/08 16:00 | Thaisa Grana Pedretti v Vivian Mayumi Toma | 6-0,6-1 |
| ITF W15 Sharm El Sheikh | 2021/03/31 12:10 | Silvia Ambrosio v Thaisa Grana Pedretti | 3-6,6-2,6-0 |
| ITF W15 Sharm El Sheikh | 2021/03/26 07:00 | Matilda Mutavdzic v Thaisa Grana Pedretti | 6-4,7-5 |
| ITF W15 Sharm El Sheikh | 2021/03/25 07:00 | Anastasia Sukhotina v Thaisa Grana Pedretti | 4-6,3-6 |
| ITF W15 Sharm El Sheikh | 2021/03/24 13:40 | Shria Atturu v Thaisa Grana Pedretti | 0-6,0-6 |
| ITF W15 Sharm El Sheikh | 2021/03/18 07:00 | Elizabeth Mandlik v Thaisa Grana Pedretti | 6-1,6-1 |
| ITF W15 Sharm El Sheikh | 2021/03/17 08:30 | Aya El Sayed v Thaisa Grana Pedretti | 2-6,7-5,2-6 |
| ITF W15 Ibague | 2021/09/09 16:00 | Rushri Wijesundera v Yuliana Monroy | 3-6,6-1,6-3 |
| ITF W15 Ibague | 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 Santo Domingo | 2021/06/06 14:00 | Rushri Wijesundera v Mihaela Djakovic | 6-7,6-1,10-8 |
| ITF W25 Santo Domingo | 2021/05/30 14:00 | Rushri Wijesundera v Jessica Failla | 1-6,2-6 |