Stadium: Court 2 Round: 54 Ground: Synthetic outdoor
| ITF Women Buenos Aires | 2018/09/18 17:25 | Maria J Amicuzi v Marcela-Guimaraes Bueno | 6-3,6-4 |
| ITF Women Luque | 2018/09/05 13:00 | Marcela-Guimaraes Bueno v Gabriela Ce | 1-6,0-6 |
| 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 Obidos | 2018/09/30 14:00 | Natalia Orlova v Anna Pribylova | 6-7,3-6 |
| ITF Women Obidos | 2018/09/29 10:00 | Elizabet Hamaliy v Natalia Orlova | 2-6,1-6 |
| ITF Women Obidos | 2018/09/22 12:00 | Natalia Orlova v Ana Vrljic | 6-2,1-6,0-6 |
| ITF Women Santarem | 2018/09/07 09:30 | Natalia Orlova v Samantha Murray | 2-6,2-6 |
| ITF Women Santarem | 2018/09/06 10:45 | Karola Patricia Bejenaru v Natalia Orlova | 7-6,6-7,2-6 |
| ITF Women Santarem | 2018/09/04 10:55 | Natalia Orlova v Brittany Collens | 6-4,6-2 |
| ITF Women Biella Qual | 2018/07/29 08:00 | Natalia Orlova v Maria Vittoria Viviani | 3-6,3-6 |
| ITF Women Schio Qual | 2018/07/21 12:10 | Natalia Orlova v Alice Amendola | 2-6,4-6 |