Stadium: Quadra Central Round: 25 Ground: Clay
| ITF W60 Brasilia | 2021/11/22 13:05 | Jasmin Jebawy v Helena Bueno | 6-2,6-0 |
| ITF W60 Brasilia | 2021/11/21 15:15 | Helena Bueno v Zora Hudson | 6-4,6-2 |
| ITF W25 Aparecida De Goiania | 2021/11/11 12:00 | Ingrid Gamarra Martins v Helena Bueno | 6-2,6-0 |
| ITF W25 Aparecida De Goiania | 2021/11/10 12:00 | Vivian Mayumi Toma v Helena Bueno | 3-6,0-6 |
| ITF W25 Aparecida De Goiania | 2021/11/08 13:00 | Elsa Wan v Helena Bueno | 6-3,6-3 |
| ITF W25 Aparecida De Goiania | 2021/11/07 14:00 | Nayara Santos v Helena Bueno | 2-6,2-6 |
| ITF W15 Piracicaba | 2021/10/13 15:45 | Helena Bueno v Elsa Wan | 0-6,0-6 |
| ITF W15 Piracicaba | 2021/10/11 14:00 | Helena Bueno v Giulia Pereira De Aguiar | 6-3,6-3 |
| ITF W60 Brasilia | 2021/11/24 15:25 | Thaisa Grana Pedretti v Xiaodi You | 5-7,1-6 |
| ITF W60 Brasilia | 2021/11/22 16:30 | Thaisa Grana Pedretti v Julia Klimovicz | 6-2,6-2 |
| ITF W25 Aparecida De Goiania | 2021/11/11 12:00 | Thaisa Grana Pedretti v Ana Sofia Sanchez | 5-7,6-7 |
| ITF W25 Aparecida De Goiania | 2021/11/09 11:00 | Thaisa Grana Pedretti v Olivia Carneiro | 6-1,6-2 |
| ITF W25 Rio do Sul | 2021/10/21 13:50 | Thaisa Grana Pedretti v Laura Pigossi | 2-6,6-2,1-6 |
| ITF W25 Rio do Sul | 2021/10/20 13:20 | Juliana Munhoz v Thaisa Grana Pedretti | 4-6,3-6 |
| ITF W25 Lima | 2021/10/12 18:10 | Ziva Falkner v Thaisa Grana Pedretti | 6-3,5-7,6-2 |
| ITF W25 Lima | 2021/10/07 15:00 | Thaisa Grana Pedretti v Carolina Alves | 2-6,6-7 |