Stadium: Quadra 4 Round: 25 Ground: Clay
| ITF Women Sao Paulo Qual | 2018/02/25 14:30 | Giovanna Tomita v Camila Giangreco Campiz | 4-6,1-6 |
| ITF Women Sao Paulo Qual | 2018/02/24 12:00 | Giovanna Tomita v Juliana Jose Parra Gomez | 6-0,6-0 |
| ITF Women Curitiba Qual | 2018/02/17 14:30 | Giovanna Tomita v Alexa Ryngler | 3-6,2-6 |
| ITF Women Luque | 2017/12/20 16:20 | Giovanna Tomita v Melany Solange Krywoj | 4-6,6-2,3-6 |
| ITF Women Luque | 2017/12/18 12:50 | Giovanna Tomita v Marcela-Guimaraes Bueno | 6-3,6-1 |
| 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 Sao Paulo | 2018/03/01 15:15 | Mariana Duque Marino v Nathaly Kurata | 6-7,6-2,6-2 |
| ITF Women Sao Paulo | 2018/02/28 17:25 | Nathaly Kurata v Victoria Bosio | 7-6,7-5 |
| ITF Women Sao Paulo Qual | 2018/02/26 13:30 | Nathaly Kurata v Camila Giangreco Campiz | 4-6,7-5,6-2 |
| ITF Women Sao Paulo Qual | 2018/02/25 14:30 | Nathaly Kurata v Paula Baranano | 6-0,6-2 |
| ITF Women Sao Paulo Qual | 2018/02/24 12:00 | Nathaly Kurata v Erika Drozd Pereira | 6-0,6-2 |
| ITF Women Curitiba | 2018/02/20 14:30 | Tamara Zidansek v Nathaly Kurata | 6-3,6-1 |
| 2018 Fed Cup | 2018/02/10 17:00 | Montserrat Gonzalez v Nathaly Kurata | 6-1,6-3 |
| 2018 Fed Cup | 2018/02/09 17:00 | Paula Ormaechea v Nathaly Kurata | 7-5,6-0 |