Stadium: Court 9 Round: 26
| ITF Women Sao Paulo | 2018/02/28 14:20 | Mariana Duque Marino v Camila Giangreco Campiz | 6-4,4-6,6-1 |
| ITF Women Curitiba | 2018/02/24 14:00 | Mariana Duque Marino v Fiona Ferro | 3-6,3-6 |
| ITF Women Curitiba | 2018/02/23 14:30 | Mariana Duque Marino v Audrey Albie | 7-6,3-6,6-3 |
| ITF Women Curitiba | 2018/02/22 20:30 | Mariana Duque Marino v Montserrat Gonzalez | 6-2,6-3 |
| ITF Women Curitiba | 2018/02/20 20:15 | Mariana Duque Marino v Nathalia Wolf Gasparin | 6-0,6-0 |
| ITF Women Midland | 2018/01/30 17:15 | Jessica Pegula v Mariana Duque Marino | 6-2,6-1 |
| WTA Newport Beach | 2018/01/22 19:15 | Mariana Duque Marino v Kayla Day | 3-6,6-7 |
| Australian Open Women | 2018/01/15 00:00 | Ying-Ying Duan v Mariana Duque Marino | 6-0,6-1 |
| 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 |
| 2018 Fed Cup | 2018/02/08 17:00 | Nathaly Kurata v Melissa Morales | 6-2,6-2 |