Stadium: Quadra 3 Round: 26 Ground: Clay
| ITF Women Campinas | 2018/03/07 14:00 | Chieh-Yu Hsu v Dominique Schaefer | 1-6,3-6 |
| ITF Women Campinas Qual | 2018/03/05 18:35 | Dominique Schaefer v Victoria Ariadna Beccio | 6-1,6-0 |
| ITF Women Campinas Qual | 2018/03/04 14:00 | Dominique Schaefer v Kamilla Kokeladze | 6-0,6-1 |
| ITF Women Sao Paulo Qual | 2018/02/24 12:00 | Dominique Schaefer v Mirjam Bjorklund | 3-6,6-7 |
| ITF Women Surprise Qual | 2018/02/11 17:00 | Dominique Schaefer v Caroline Werner | 4-6,0-6 |
| ITF Women Wesley Chapel Qual | 2018/01/21 16:30 | Alexa Ryngler v Dominique Schaefer | 7-6,6-4 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Isabelle Boulais v Dominique Schaefer | 6-0,6-1 |
| ITF Women Guayaquil | 2017/12/07 15:00 | Margaux Bovy v Dominique Schaefer | 1-6,2-6 |
| ITF Women Campinas | 2018/03/07 19:45 | Nathalia Wolf Gasparin v Eduarda Piai | 1-6,3-6 |
| ITF Women Sao Paulo Qual | 2018/02/26 14:40 | Katerina Stewart v Eduarda Piai | 6-0,6-3 |
| ITF Women Sao Paulo Qual | 2018/02/25 16:00 | Nathalia Wolf Gasparin v Eduarda Piai | 4-6,6-4,3-6 |
| ITF Women Sao Paulo Qual | 2018/02/24 15:30 | Julia Konishi Camargo Silva v Eduarda Piai | 1-6,1-6 |
| ITF Women Curitiba Qual | 2018/02/18 18:00 | Elysia Bolton v Eduarda Piai | 7-5,6-2 |
| ITF Women Curitiba Qual | 2018/02/17 16:00 | Daniela Macarena Lopez v Eduarda Piai | 0-6,3-6 |
| ITF Women Santa Cruz | 2017/12/14 00:10 | Nathaly Kurata v Eduarda Piai | 6-4,6-1 |
| ITF Women Santa Cruz | 2017/12/11 21:30 | Susan Salinas v Eduarda Piai | 0-6,0-6 |