stadio: Quadra 5 Round: 54 Ground: Clay
| ITF W60 Brasilia | 2021/11/21 13:15 | Mariana Gomes Sorrilha v Julia Konishi Camargo Silva | 1-6,2-6 |
| ITF W25 Rio do Sul | 2021/10/18 16:00 | Vivian Mayumi Toma v Mariana Gomes Sorrilha | 2-6,6-4,10-7 |
| ITF W15 Piracicaba | 2021/10/13 13:30 | Victoria Bosio v Mariana Gomes Sorrilha | 6-1,6-0 |
| ITF W15 Curitiba | 2021/11/29 17:25 | Relebogile Sereo v Laiza S-Da Silva | 6-0,6-1 |