Stadium: Court 4 Round: 25
| ITF Women Luque | 2018/09/04 12:00 | Alexa Pitt v Marcela-Guimaraes Bueno | 5-7,1-6 |
| ITF Women Asuncion | 2018/08/26 14:00 | Nathalia Wolf Gasparin v Marcela-Guimaraes Bueno | 6-1,6-2 |
| ITF Women Asuncion | 2018/08/25 14:00 | Marcela-Guimaraes Bueno v Alexis Jones | 6-2,6-3 |
| ITF Women Lambare | 2018/08/19 15:00 | Pamela Wu v Marcela-Guimaraes Bueno | 6-4,4-6,7-6 |
| ITF Women Guayaquil | 2018/08/11 16:00 | Marcela-Guimaraes Bueno v Fernanda Labrana | 1-6,1-6 |
| ITF Women Guayaquil | 2018/08/06 15:00 | Marcela-Guimaraes Bueno v Anais Defossez | 2-6,3-6 |
| ITF Women Guayaquil | 2018/08/05 15:00 | Alexis Jones v Marcela-Guimaraes Bueno | 4-6,2-6 |
| ITF Women Villa del Dique | 2018/04/22 12:30 | Erika Drozd Pereira v Marcela-Guimaraes Bueno | 2-6,7-5,6-2 |
| ITF Women Asuncion | 2018/09/02 19:00 | Fernanda Brito v Gabriela Ce | 6-3,6-3 |
| ITF Women Asuncion | 2018/08/31 22:00 | Gabriela Ce v Melissa Morales | 6-2,6-3 |
| ITF Women Asuncion | 2018/08/30 20:00 | Kirsten-Andrea Weedon v Gabriela Ce | 4-6,6-3,0-6 |
| ITF Women Asuncion | 2018/08/29 19:20 | Pamela Wu v Gabriela Ce | 1-6,0-6 |
| ITF Women Asuncion | 2018/08/28 19:25 | Lucia Zelenka v Gabriela Ce | 0-6,2-6 |
| ITF Women Lambare | 2018/08/24 14:00 | Fernanda Brito v Gabriela Ce | 6-2,6-3 |
| ITF Women Lambare | 2018/08/23 14:00 | Gabriela Ce v Kirsten-Andrea Weedon | 6-3,6-0 |
| ITF Women Lambare | 2018/08/22 14:00 | Gabriela Ce v Melissa Morales | 7-5,7-5 |