Away History
| ITF Women Stare Splavy Qual | 2018/06/03 10:30 | Laura Svatikova v Katerina Filip | 7-5,6-4 |
| ITF Women Gothenburg | 2018/05/15 09:15 | Raveena Kingsley v Katerina Filip | 6-2,6-0 |
| ITF Women Karlskrona | 2018/05/09 12:05 | Katerina Filip v Helgesson, Molly | 2-6,6-7 |
| Obidos, Singles W-WITF-POR-12A | 2018/04/25 10:40 | Berfu Cengiz v Katerina Filip | 6-3,6-2 |
| ITF Women Obidos Qual | 2018/04/23 14:00 | Rosa Vicens Mas v Katerina Filip | 3-6,6-3,6-7 |
| ITF Women Obidos Qual | 2018/04/21 16:30 | Bentes de Oliveira Pinto, Rita Maria v Katerina Filip | 6-7,3-6 |
| ITF Women Obidos Qual | 2018/04/14 13:00 | Fonte, Maria Ines v Katerina Filip | 7-6,6-2 |
| ITF Women Obidos Qual | 2018/04/09 09:00 | Katerina Filip v Gaspar, Claudia | 2-6,7-6,4-6 |