Estádio: Court 4 Round: 25
| ITF - Asunción - Feminino | 2018/08/27 19:30 | Maria J Amicuzi v Sara Castellano | 3-6,0-6 |
| ITF - Lambaré - Feminino | 2018/08/20 15:45 | Erika Drozd Pereira v Maria J Amicuzi | 6-1,6-1 |
| ITF - Guayaquil - Feminino | 2018/08/15 16:40 | Juliana Valero v Maria J Amicuzi | 5-7,7-6,6-2 |
| ITF - Guayaquil - Feminino | 2018/08/13 17:35 | Francesca Lilliegren v Maria J Amicuzi | 3-6,2-6 |
| ITF - Guayaquil - Feminino | 2018/08/07 16:10 | Maria J Amicuzi v Akilah James | 3-6,1-6 |
| ITF - Villa del Dique - Feminino | 2018/04/23 12:00 | Victoria Ariadna Beccio v Maria J Amicuzi | 6-2,7-5 |
| ITF - Villa Dolores - Feminino | 2018/04/16 12:30 | Maria J Amicuzi v Maria F Urrutia | 6-0,2-6,2-6 |
| ITF - Villa Dolores - Feminino | 2018/04/15 15:30 | Victoria Ariadna Beccio v Maria J Amicuzi | 4-6,6-3,3-6 |
| ITF - Luque - Feminino | 2018/09/05 13:00 | Marcela-Guimaraes Bueno v Gabriela Ce | 1-6,0-6 |
| ITF - Luque - Feminino | 2018/09/04 12:00 | Alexa Pitt v Marcela-Guimaraes Bueno | 5-7,1-6 |
| ITF - Asunción - Feminino | 2018/08/26 14:00 | Nathalia Wolf Gasparin v Marcela-Guimaraes Bueno | 6-1,6-2 |
| ITF - Asunción - Feminino | 2018/08/25 14:00 | Marcela-Guimaraes Bueno v Alexis Jones | 6-2,6-3 |
| ITF - Lambaré - Feminino | 2018/08/19 15:00 | Pamela Wu v Marcela-Guimaraes Bueno | 6-4,4-6,7-6 |
| ITF - Guayaquil - Feminino | 2018/08/11 16:00 | Marcela-Guimaraes Bueno v Fernanda Labrana | 1-6,1-6 |
| ITF - Guayaquil - Feminino | 2018/08/06 15:00 | Marcela-Guimaraes Bueno v Anais Defossez | 2-6,3-6 |
| ITF - Guayaquil - Feminino | 2018/08/05 15:00 | Alexis Jones v Marcela-Guimaraes Bueno | 4-6,2-6 |