Stadium: Court 8 Round: 62 Ground: Clay
| ITF Women Curitiba Qual | 2018/02/17 12:30 | Maria D R Vazquez v Flavia Guimaraes Bueno | 3-6,6-3,7-5 |
| ITF Women Luque | 2017/12/18 13:30 | Carla Lucero v Flavia Guimaraes Bueno | 6-2,6-4 |
| ITF Women Santa Cruz | 2017/12/13 23:00 | Flavia Guimaraes Bueno v Noelia Zeballos | 0-6,3-6 |
| ITF Women Santa Cruz | 2017/12/12 21:30 | Flavia Guimaraes Bueno v Dolores Molina Portela | 6-3,4-6,6-3 |
| ITF Women Santiago | 2017/12/05 14:00 | Maria G Carrasco v Flavia Guimaraes Bueno | 6-1,4-6,6-4 |
| ITF Women Santiago Qual | 2017/12/03 14:45 | Flavia Guimaraes Bueno v Andrea Duva | 6-1,6-1 |
| ITF Women Cantanduva | 2017/11/28 14:20 | Flavia Guimaraes Bueno v Carla Lucero | 3-6,1-6 |
| ITF Women Cucuta | 2017/11/07 17:40 | Emily Appleton v Flavia Guimaraes Bueno | 6-1,6-4 |
| ITF Women Sao Paulo Qual | 2018/02/24 15:30 | Nicolly Ferreira v Stephanie Mariel Petit | 0-6,1-6 |
| 2018 Fed Cup | 2018/02/10 18:30 | Maria Paulina Perez Garcia v Stephanie Mariel Petit | 4-6,4-6 |
| ITF Women Santa Cruz | 2017/12/14 21:30 | Nathaly Kurata v Stephanie Mariel Petit | 2-6,6-4,7-5 |
| ITF Women Santa Cruz | 2017/12/13 21:30 | Marcela G. Bueno v Stephanie Mariel Petit | 3-6,1-5 |
| ITF Women Santa Cruz | 2017/12/13 21:30 | Marcela-Guimaraes Bueno v Stephanie Mariel Petit | 3-6,1-6 |
| ITF Women Santa Cruz | 2017/12/12 21:30 | Lara Escauriza v Stephanie Mariel Petit | 2-6,4-6 |
| ITF Women Santiago | 2017/12/05 19:05 | Maria F Herazo Gonzalez v Stephanie Mariel Petit | 6-1,6-4 |
| ITF Women Santiago | 2017/11/30 14:30 | Chiara Scholl v Stephanie Mariel Petit | 6-1,6-2 |