Stadium: CAMPO 4 Round: 45 Ground: Clay
| ITF - W15 Guayaquil | 2019/04/16 18:55 | Lara Escauriza v Mariana Galvao Borges | 6-2,6-0 |
| ITF W25 Campinas | 2019/03/25 13:00 | Mariana Galvao Borges v Despina Papamichail | 0-6,0-6 |
| ITF Women Villa del Dique | 2018/11/10 14:00 | Mariana Galvao Borges v Maria P Sellart | 3-6,6-4,1-6 |
| ITF Women Buenos Aires | 2018/09/15 18:00 | Mariana Galvao Borges v Luna Morini | 3-6,0-6 |
| ITF Women Luque | 2018/09/03 17:00 | Mila Burek v Mariana Galvao Borges | 6-1,6-0 |
| ITF Women Asuncion | 2018/08/25 14:00 | Mariana Galvao Borges v Haley Giavara | 1-6,2-6 |
| ITF Women Lambare | 2018/08/19 15:00 | Mariana Galvao Borges v Alexia J Romero | 2-6,5-7 |
| ITF Women Guayaquil | 2018/08/12 16:00 | Mariana Galvao Borges v Dolores Molina Portela | 3-6,2-6 |
| ITF - W15 Guayaquil | 2019/04/17 16:00 | Anna Baranovski v Vivian Mayumi Toma | 6-0,6-0 |
| ITF - W15 Fort-de-France | 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 |
| ITF Women Mexico City | 2018/10/29 20:05 | Solymar Colling v Vivian Mayumi Toma | 6-0,6-0 |
| ITF Women Florence | 2018/10/14 17:00 | Paula Cristina Goncalves v Vivian Mayumi Toma | 6-0,6-0 |
| ITF Women Buenos Aires | 2018/09/17 16:40 | Victoria Ariadna Beccio v Vivian Mayumi Toma | 6-1,6-0 |
| ITF Women Nonthaburi | 2018/09/01 07:00 | Vivian Mayumi Toma v Min Liu | 1-6,0-6 |
| ITF Women Nonthaburi | 2018/08/25 02:00 | Natthapat Piwbangruk v Vivian Mayumi Toma | 6-3,6-1 |