Stadium: Court 9 Round: 62 Ground: Clay
| ITF Women Sao Paulo Qual | 2018/02/25 16:00 | Katerina Stewart v Carla Lucero | 6-2,6-0 |
| ITF Women Sao Paulo Qual | 2018/02/24 15:30 | Katerina Stewart v Julieta Lara Estable | 7-5,6-2 |
| ITF Women Wesley Chapel | 2018/01/24 16:35 | Katerina Stewart v Whitney Osuigwe | 3-6,5-7 |
| ITF Women Orlando Qual | 2018/01/15 15:00 | Katerina Stewart v Chihiro Muramatsu | 3-6,6-7 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Katerina Stewart v Catherine Leduc | 6-2,6-1 |
| ITF Women Waco | 2017/11/09 16:00 | Sofia Kenin v Katerina Stewart | 6-1,6-1 |
| ITF Women Waco | 2017/11/08 16:00 | Katerina Stewart v Sanaz Marand | 4-6,6-0,7-5 |
| ITF Women Waco Qual | 2017/11/07 16:00 | Katerina Stewart v Caitlin Whoriskey | 6-1,4-6,6-3 |
| 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 |
| ITF Women Cantanduva | 2017/12/03 13:00 | Nathaly Kurata v Eduarda Piai | 6-1,6-4 |
| ITF Women Cantanduva | 2017/12/02 18:25 | Carla Lucero v Eduarda Piai | 2-6,6-7 |