Stadium: Court 9 Round: 62 Ground: Clay
| Wesley Chapel, Singles W-WITF-USA-03A | 2018/01/24 16:35 | Stewart, Katerina v Whitney Osuigwe | 3-6,5-7 |
| ITF Women Orlando Qual | 2018/01/15 15:00 | Stewart, Katerina v Chihiro Muramatsu | 3-6,6-7 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Stewart, Katerina v Leduc, Catherine | 6-2,6-1 |
| ITF Women Waco | 2017/11/09 16:00 | Sofia Kenin v Stewart, Katerina | 6-1,6-1 |
| ITF Women Waco | 2017/11/08 16:00 | Stewart, Katerina v Marand, Sanaz | 4-6,6-0,7-5 |
| ITF Women Waco Qual | 2017/11/07 16:00 | Stewart, Katerina v Whoriskey, Caitlin | 6-1,4-6,6-3 |
| ITF Women Waco Qual | 2017/11/06 18:50 | Wozniak, Aleksandra v Stewart, Katerina | 1-6,3-6 |
| ITF Women Waco Qual | 2017/11/05 22:25 | Stewart, Katerina v Carrington, Safiya | 6-4,7-5 |
| ITF Women Curitiba Qual | 2018/02/18 14:00 | Ho, Jessica v Julieta Lara Estable | 6-2,6-0 |
| ITF Women Curitiba Qual | 2018/02/17 12:30 | Drozd Pereira, Erika v Julieta Lara Estable | 5-7,3-6 |
| ITF Women Encarnacion | 2017/11/08 12:00 | Ganga, Eugenia v Julieta Lara Estable | 7-5,6-4 |
| ITF Women Encarnacion | 2017/11/06 14:20 | Kalimullina, Ralina v Julieta Lara Estable | 3-6,1-6 |
| ITF Women Asuncion | 2017/11/01 17:00 | Julieta Lara Estable v Martinich, Ivania | 4-6,6-7 |
| ITF Women Asuncion | 2017/10/30 17:00 | Raszkiewics, Eva v Julieta Lara Estable | 3-6,3-6 |
| ITF Women Lambare | 2017/10/27 14:00 | Julieta Lara Estable v Giangreco Campiz, Camila | 6-7,2-6 |
| ITF Women Lambare | 2017/10/25 12:00 | Noelia Zeballos v Julieta Lara Estable | 6-2,4-6,4-6 |