| ITF Women Budapest | 2018/08/22 09:40 | Maria Marfutina v Joanna Zawadzka | 7-5,6-3 |
| ITF Women Budapest | 2018/08/21 12:25 | Ludmila Kareisova v Joanna Zawadzka | 0-6,4-6 |
| ITF Women Warsaw | 2018/08/09 17:20 | Julia Stamatova v Joanna Zawadzka | 6-3,6-4 |
| ITF Women Warsaw Qual | 2018/08/06 12:00 | Joanna Zawadzka v Daniella Medvedeva | 1-6,6-1,6-0 |
| ITF Women Warsaw Qual | 2018/08/05 10:00 | Joanna Zawadzka v Natalie Suk | 7-5,6-1 |
| ITF Women Baja | 2018/07/17 08:00 | Joanna Zawadzka v Reka Farbas | 3-6,1-6 |
| ITF Women Prokuplje | 2018/07/10 09:10 | Joanna Zawadzka v Mira Antonitsch | 4-6,0-6 |
| ITF Women Torun Qual | 2018/06/25 07:00 | Laura Svatikova v Joanna Zawadzka | 6-2,6-1 |
| ITF Women Ricany | 2018/08/25 11:30 | Monika Svobodova v Ingrid Vojcinakova | 6-1,6-3 |