Round: 62 Ground: Clay
| ITF Women Prerov Qual | 2018/06/10 08:00 | Marketa Petruzelova v Karolina Jaskiewicz | 6-2,3-6,1-6 |
| ITF Women Prague | 2018/09/02 10:00 | Alexandra Vasilyeva v Karolina Jaskiewicz | 3-6,1-6 |
| ITF Women Prague | 2018/09/01 11:15 | Barbora Pokorna v Karolina Jaskiewicz | 3-6,1-6 |
| ITF Women Wanfercee-Baulet | 2018/08/19 14:00 | Giorgie Jones v Karolina Jaskiewicz | 7-6,6-2 |
| ITF Women Wanfercee-Baulet | 2018/08/18 14:00 | Amelie C Kurpiers v Karolina Jaskiewicz | 1-6,2-6 |
| ITF Women Oldenzaal | 2018/08/12 09:30 | Karolina Jaskiewicz v Claudia Cianci | 3-6,4-6 |
| ITF Women Warsaw Qual | 2018/08/04 10:00 | Daniela Vismane v Karolina Jaskiewicz | 6-1,6-3 |
| ITF Women Jablonec Nad Nisou Qual | 2018/06/25 08:00 | Timea Jaruskova v Karolina Jaskiewicz | 6-1,6-2 |
| ITF Women Jablonec Nad Nisou Qual | 2018/06/23 09:00 | Karolina Jaskiewicz v Ludmila Kareisova | 1-6,6-2,6-3 |
| ITF Women Prague | 2018/09/02 09:00 | Giorgie Jones v Marketa Petruzelova | 3-6,0-6 |
| ITF Women Ricany | 2018/08/29 08:30 | Yuval Keren v Marketa Petruzelova | 7-6,5-7,6-2 |
| ITF Women Ricany | 2018/08/27 08:30 | Marketa Petruzelova v Adela Vasickova | 4-6,6-0,6-3 |
| ITF Women Ricany | 2018/08/26 08:00 | Katarzyna Wysoczanska v Marketa Petruzelova | 3-6,3-6 |
| ITF Women Ricany | 2018/08/25 08:00 | Natalia Pietras v Marketa Petruzelova | 0-6,3-6 |
| ITF Women Warsaw Qual | 2018/08/04 07:00 | Magdalena Zajda v Marketa Petruzelova | 6-3,6-4 |
| ITF Women Jablonec Nad Nisou Qual | 2018/06/25 10:05 | Justyna Malatinska v Marketa Petruzelova | 6-3,6-2 |
| ITF Women Jablonec Nad Nisou Qual | 2018/06/24 09:00 | Marketa Petruzelova v Lucie Petruzelova | 3-6,6-0,6-2 |