Stadium: Court Central Round: 25
| ITF Women Lambare | 2017/10/23 12:00 | Giovanna Tomita v Eduarda Piai | 3-6,3-6 |
| ITF Women Buenos Aires | 2017/09/13 13:55 | Giovanna Tomita v Maria Lourdes Carle | 0-6,2-6 |
| ITF Women Campos Do Jordao | 2017/07/24 13:00 | Giovanna Tomita v Andrea R Villarreal | 3-6,7-5,3-6 |
| ITF Women Campos Do Jordao | 2017/07/23 15:20 | Rushri Wijesundera v Giovanna Tomita | 3-6,3-6 |
| ITF Women Campos Do Jordao | 2017/07/13 14:00 | Giovanna Tomita v Barbara Gatica | 1-6,2-6 |
| ITF Women Campos Do Jordao | 2017/07/11 13:00 | Maria Silva v Giovanna Tomita | 7-5,0-6,1-6 |
| ITF Women Villa del Dique | 2017/05/30 16:00 | Quinn Gleason v Giovanna Tomita | 6-4,6-2 |
| ITF Women Villa del Dique Qual | 2017/05/29 14:40 | Candela Bonivardi v Giovanna Tomita | 2-6,0-6 |
| ITF Women Lambare | 2017/10/24 14:20 | Mariana Correa v Ximena M.D Ramirez | 6-2,7-5 |