Round: 62 Ground: Clay
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/21 16:30 | Katerina Filip v Robbiani, Isabella | 6-1,6-4 |
| Daytona Beach, Singles Qualifying W-WITF-USA-01A | 2018/01/07 16:30 | Katerina Filip v Fernandez, Leylah Annie | 1-6,0-6 |
| ITF Women Cordenons | 2017/12/09 12:30 | Katerina Filip v Scotti, Maria Aurelia | 4-6,6-3,6-7 |
| ITF Women Jablonc Nad Nisou Qual | 2017/12/04 10:00 | Marcelina Podlinska v Katerina Filip | 6-4,6-1 |
| ITF Women Sant Cugat Qual | 2017/10/29 12:30 | de Bernardi, Clothilde v Katerina Filip | 6-2,6-0 |
| Obidos, Singles W-WITF-POR-12A | 2017/10/25 09:30 | Katerina Filip v Dalma Galfi | 4-6,3-6 |
| ITF Women Obidos Qual | 2017/10/23 12:30 | Olga Parres Azcoitia v Katerina Filip | 6-7,6-2,6-3 |
| ITF Women Obidos Qual | 2017/10/22 12:30 | Yazawa, Tomoe v Katerina Filip | 3-6,0-6 |
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/21 16:30 | Caldwell, Harris v Rukosuev, Maya | 0-6,3-6 |
| Daytona Beach, Singles Qualifying W-WITF-USA-01A | 2018/01/07 15:00 | Rukosuev, Maya v Emiliana Arango | 4-6,0-6 |