Round: 54 Ground: Clay
| ITF W15 Shreveport | 2019/06/24 15:30 | Vivian Mayumi Toma v Rachel Janssen | 0-6,2-6 |
| ITF W15 Tacarigua | 2019/05/22 18:00 | Vivian Mayumi Toma v Olga Brozda | 0-6,0-6 |
| ITF W15 Tacarigua | 2019/05/14 20:25 | Vivian Mayumi Toma v Paulina Jastrzebska | 1-6,1-6 |
| ITF - Bucaramanga W15 | 2019/04/24 15:00 | Fernanda Brito v Vivian Mayumi Toma | 6-0,6-0 |
| ITF - Bucaramanga W15 | 2019/04/22 19:30 | Mariana Galvao Borges v Vivian Mayumi Toma | 6-4,6-1 |
| ITF - Guayaquil W15 | 2019/04/17 16:00 | Anna Baranovski v Vivian Mayumi Toma | 6-0,6-0 |
| ITF - Fort-de-France W15 | 2019/01/07 18:00 | Vivian Mayumi Toma v Audrey Moutama | 1-6,1-6 |
| ITF Women Bogota | 2018/12/03 14:30 | Vivian Mayumi Toma v Hailey Wilcox | 1-6,1-6 |