Stadium: Cancha 6 Round: 25 Ground: Clay
| ITF W15 Curitiba | 2021/12/01 13:00 | Vivian Mayumi Toma v Sofia Cohen Perovani | 1-6,0-6 |
| ITF W60 Brasilia | 2021/11/21 16:50 | Vivian Mayumi Toma v Miriana Tona | 0-6,0-6 |
| 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 | Vivian Mayumi Toma v Beatriz Verdial | 0-6,1-6 |
| ITF W25 Rio do Sul | 2021/10/19 12:00 | Sofia Da Cruz Mendonca v Vivian Mayumi Toma | 6-0,6-0 |
| 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 | 2021/10/12 13:30 | Nicolly Ferreira v Vivian Mayumi Toma | 6-0,6-2 |
| ITF W25 Medellin | 2021/09/12 19:00 | Laura D A Patino v Vivian Mayumi Toma | 6-1,6-2 |