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