Round: 25 Ground: Clay
| ITF Women Campos Do Jordao | 2017/07/24 13:00 | Vivian Mayumi Toma v Raquel Martini | 0-6,0-6 |
| ITF Women Campos Do Jordao | 2017/07/23 17:00 | Vivian Mayumi Toma v Amanda Andrade Silva | 0-6,1-6 |
| ITF Women Campos Do Jordao | 2017/07/09 14:00 | Vivian Mayumi Toma v Tatiana Terwindt | 2-6,2-6 |
| ITF Women Sumter Qual | 2017/06/11 13:00 | Kaitlyn McCarthy v Vivian Mayumi Toma | 6-1,6-0 |
| ITF Women Naples Qual | 2017/05/14 14:30 | Paulina Wulcan v Vivian Mayumi Toma | 6-1,6-0 |
| ITF Women Irapuato Qual | 2017/04/08 16:30 | Romary Cardenas Rifka v Vivian Mayumi Toma | 6-1,6-1 |
| ITF Women SJD Campos | 2017/04/01 16:30 | Vivian Mayumi Toma v Maria Silva | 1-6,0-6 |
| ITF Women Obidos | 2017/03/18 10:30 | Maria Ribeiro v Vivian Mayumi Toma | 6-1,6-2 |