Stadium: Court 2 Round: 26
| ITF Women Jablonec Nad Nisou | 2018/12/05 16:10 | Svobodova, Monika v Zawadzka, Joanna | 4-6,2-6 |
| ITF Women Milovice | 2018/11/28 15:00 | Kruzhkova, Daria v Zawadzka, Joanna | 1-6,6-2,6-4 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/11/21 08:00 | Zawadzka, Joanna v Nikola Breckova | 4-6,4-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/11/15 09:50 | Susan Bandecchi v Zawadzka, Joanna | 7-6,6-4 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/11/14 09:25 | Zawadzka, Joanna v Koklina, Elizaveta | 6-2,6-1 |
| ITF Women Monastir | 2018/10/23 09:30 | Genovese, Elaine v Zawadzka, Joanna | 7-5,2-6,6-3 |
| ITF Women Monastir | 2018/10/19 08:30 | Karregat, Dominique v Zawadzka, Joanna | 3-6,6-2,6-2 |
| ITF Women Monastir | 2018/10/18 09:55 | Brune Olsen, Astrid Wanja v Zawadzka, Joanna | 1-6,4-6 |
| ITF Women Jablonec Nad Nisou | 2018/12/05 09:00 | Sofia Milatova v Vankova, Katerina | 2-6,0-6 |
| Prague, Singles W-WITF-CZE-06A | 2018/09/07 10:25 | Januskova, Petra v Vankova, Katerina | 2-6,4-6 |
| Prague, Singles W-WITF-CZE-06A | 2018/09/06 08:30 | Katerina Filip v Vankova, Katerina | 2-6,3-6 |
| Prague, Singles W-WITF-CZE-06A | 2018/09/05 12:30 | Denisa Hindova v Vankova, Katerina | 2-6,0-6 |
| ITF Women Ricany | 2018/08/31 11:35 | Vankova, Katerina v Sumova, Diana | 6-2,6-1 |
| ITF Women Ricany | 2018/08/30 08:00 | Vankova, Katerina v Karolina Vlckova | 6-1,6-4 |
| ITF Women Ricany | 2018/08/28 14:00 | Vankova, Katerina v Nicole Gadient | 7-5,6-1 |
| ITF Women Prague Qual | 2018/07/23 10:30 | Tena Lukas v Vankova, Katerina | 6-3,6-2 |