| ITF Women Cantanduva | 2017/12/02 13:10 | Giovanna Tomita v Carla Lucero | 6-4,3-6,6-7 |
| ITF Women Cantanduva | 2017/12/01 14:30 | Giovanna Tomita v Carla Lucero | 6-4,3-6,6-6 |
| ITF Women Cantanduva | 2017/11/30 15:00 | Giovanna Tomita v Juliana Silva De Carvalho | 6-0,6-3 |
| ITF Women Cantanduva | 2017/11/28 13:25 | Giovanna Tomita v Yolande Leacock | 6-3,6-1 |
| ITF Women Encarnacion | 2017/11/07 14:25 | Ivania Martinich v Giovanna Tomita | 6-2,6-0 |
| ITF Women Asuncion | 2017/10/30 18:35 | Giovanna Tomita v Ximena M.D Ramirez | 7-5,6-1 |
| 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 Santa Cruz | 2017/12/13 21:30 | Marcela-Guimaraes Bueno v Stephanie Mariel Petit | 3-6,1-6 |
| ITF Women Cantanduva | 2017/11/27 16:30 | Marcela-Guimaraes Bueno v Sofia Luini | 2-6,4-6 |