stadio: Court 18 Round: 25 Ground: Clay
| 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 |
| ITF W15 Ibague | 2021/09/08 16:00 | Thaisa Grana Pedretti v Vivian Mayumi Toma | 6-0,6-1 |
| ITF W15 Ibague | 2021/09/06 19:30 | Susana Marino Hidalgo v Vivian Mayumi Toma | 6-2,5-7,8-10 |
| ITF W25 Olimpia | 2020/03/08 13:00 | Vivian Mayumi Toma v Paola Ueno Dalmonico | 3-6,3-6 |
| 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 |