| ITF Women Gonesse Qual | 2018/03/11 16:35 | Katerina Filip v Marie Mattel | 4-6,3-6 |
| ITF Women Amiens | 2018/03/06 15:25 | Katerina Filip v Eleonora Molinaro | 2-6,1-6 |
| ITF Women Wesley Chapel | 2018/01/24 14:30 | Francesca Di Lorenzo v Katerina Filip | 6-3,6-1 |
| ITF Women Wesley Chapel Qual | 2018/01/23 14:30 | Katerina Filip v Yuki Kristina Chiang | 6-3,4-6,6-3 |
| ITF Women Wesley Chapel Qual | 2018/01/22 16:00 | Katerina Filip v Maya Rukosuev | 6-0,6-4 |
| ITF Women Wesley Chapel Qual | 2018/01/21 16:30 | Katerina Filip v Isabella Robbiani | 6-1,6-4 |
| ITF Women Daytona Beach Qual | 2018/01/07 16:30 | Katerina Filip v Leylah Annie Fernandez | 1-6,0-6 |
| ITF Women Cordenons | 2017/12/09 12:30 | Katerina Filip v Maria Aurelia Scotti | 4-6,6-3,6-7 |