Round: 27 Ground: Clay
| ITF Women Encarnacion | 2017/11/10 13:00 | Petit, Stephanie Mariel v Kurata, Nathaly | 6-2,4-6,2-6 |
| ITF Women Santa Cruz | 2017/12/14 00:10 | Kurata, Nathaly v Piai, Eduarda | 6-4,6-1 |
| ITF Women Santa Cruz | 2017/12/11 21:00 | Kurata, Nathaly v Tarun, Aimee | 6-0,6-0 |
| ITF Women Santiago | 2017/12/07 14:00 | Kurata, Nathaly v Hendler, Tamaryn | 2-6,2-6 |
| ITF Women Santiago | 2017/12/05 14:00 | Kurata, Nathaly v Naya, Guillermina | 3-6,6-4,6-2 |
| ITF Women Cantanduva | 2017/12/03 13:00 | Kurata, Nathaly v Piai, Eduarda | 6-1,6-4 |
| ITF Women Cantanduva | 2017/12/02 16:30 | Kurata, Nathaly v Madison Bourguignon | 7-5,7-5 |
| ITF Women Cantanduva | 2017/12/02 12:00 | Kurata, Nathaly v Luini, Sofia | 6-0,6-1 |
| ITF Women Cantanduva | 2017/11/29 15:10 | Kurata, Nathaly v Molina Portela, Dolores | 6-4,6-4 |
| ITF Women Santa Cruz | 2017/12/13 21:30 | Marcela G. Bueno v Petit, Stephanie Mariel | 3-6,1-5 |
| ITF Women Santa Cruz | 2017/12/13 21:30 | Bueno, Marcela-Guimaraes v Petit, Stephanie Mariel | 3-6,1-6 |
| ITF Women Santa Cruz | 2017/12/12 21:30 | Escauriza, Lara v Petit, Stephanie Mariel | 2-6,4-6 |
| ITF Women Santiago | 2017/12/05 19:05 | Maria F Herazo Gonzalez v Petit, Stephanie Mariel | 6-1,6-4 |
| ITF Women Santiago | 2017/11/30 14:30 | Chiara Scholl v Petit, Stephanie Mariel | 6-1,6-2 |
| ITF Women Santiago | 2017/11/29 17:50 | Martinich, Ivania v Petit, Stephanie Mariel | 2-6,0-6 |
| ITF Women Santiago | 2017/11/27 16:30 | Wuarin, Pauline v Petit, Stephanie Mariel | 1-6,0-6 |
| ITF Women Encarnacion | 2017/11/10 13:00 | Petit, Stephanie Mariel v Kurata, Nathaly | 6-2,4-6,2-6 |