| ITF Women Stare Splavy Qual | 2018/06/03 14:30 | Joanna Zawadzka v Ana Vrljic | 4-6,2-6 |
| ITF Women Stare Splavy Qual | 2018/06/03 09:00 | Joanna Zawadzka v Johana Markova | 2-6,6-3,7-6 |
| ITF Women Balatonboglar Qual | 2018/04/30 08:00 | Veronika Erjavec v Joanna Zawadzka | 6-0,6-1 |
| ITF Women Tucepi | 2018/04/23 08:00 | Joanna Zawadzka v Bojana Klincov | 5-7,1-6 |
| ITF Women Heraklion | 2018/03/10 10:00 | Imke Schluenzen v Joanna Zawadzka | 6-2,6-2 |
| ITF Women Heraklion | 2018/03/06 11:00 | Joanna Zawadzka v Raluca Georgiana Serban | 2-6,1-6 |
| ITF Women Heraklion | 2018/03/05 07:30 | Joanna Zawadzka v Vasiliki Karvouni | 6-3,4-6,6-2 |
| ITF Women Heraklion | 2018/03/04 09:30 | Joanna Zawadzka v Katerina Antoniou | 6-2,6-1 |
| ITF Women Tucepi | 2018/04/21 13:00 | Martina Husarova v Lana Sipek | 0-6,0-6 |