Stadium: Court 4 Round: 62
| ITF Women Prerov Qual | 2018/06/10 08:00 | Petruzelova, Marketa v Jaskiewicz, Karolina | 6-2,3-6,1-6 |
| ITF Women Prerov Qual | 2018/06/09 08:00 | Jaskiewicz, Karolina v Nikoletta Muller | 6-0,6-2 |
| ITF Women Stare Splavy Qual | 2018/06/03 08:00 | Jaskiewicz, Karolina v Yana Morderger | 3-6,1-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/07 13:00 | Jaskiewicz, Karolina v Sukhotina, Anastasia | 3-6,6-7 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/31 08:00 | Novcic, Andjela v Jaskiewicz, Karolina | 6-3,6-0 |
| ITF Women Zawada Qual | 2017/11/12 10:00 | Vogelsang, Erika v Jaskiewicz, Karolina | 4-6,6-4,6-4 |
| ITF Women Prerov Qual | 2018/06/10 08:00 | Hajkova, Klara v Pektorova, Hana | 7-5,6-2 |
| ITF Women Stare Splavy Qual | 2018/06/03 13:00 | Marfutina, Maria v Hajkova, Klara | 6-2,6-2 |
| ITF Women Stare Splavy Qual | 2018/06/03 09:00 | Hajkova, Klara v Denisa Pospisilova | 7-5,6-3 |
| ITF Women Heraklion | 2017/10/21 09:00 | Teodora Stinga v Hajkova, Klara | 7-5,6-3 |
| ITF Women Brno Qual | 2017/09/25 09:20 | Krizova, Katerina v Hajkova, Klara | 6-2,6-1 |
| ITF Women Brno Qual | 2017/09/24 10:00 | Wysoczanska, Katarzyna v Hajkova, Klara | 4-6,6-4,5-7 |
| ITF Women Prague Qual | 2017/09/10 11:00 | Nikola Tomanova v Hajkova, Klara | 6-3,3-6,7-6 |
| ITF Women Prague Qual | 2017/09/03 12:00 | Krizova, Katerina v Hajkova, Klara | 6-3,7-5 |