Stadium: Court 3 Round: 54
| ITF Women Tucepi | 2018/04/23 08:00 | Zawadzka, Joanna v Klincov, Bojana | 5-7,1-6 |
| ITF Women Heraklion | 2018/03/10 10:00 | Schluenzen, Imke v Zawadzka, Joanna | 6-2,6-2 |
| ITF Women Heraklion | 2018/03/06 11:00 | Zawadzka, Joanna v Raluca Georgiana Serban | 2-6,1-6 |
| ITF Women Heraklion | 2018/03/05 07:30 | Zawadzka, Joanna v Karvouni, Vasiliki | 6-3,4-6,6-2 |
| ITF Women Heraklion | 2018/03/04 09:30 | Zawadzka, Joanna v Antoniou, Katerina | 6-2,6-1 |
| ITF Women Trnava | 2018/02/08 10:00 | Zawadzka, Joanna v Bukta, Agnes | 2-6,0-6 |
| ITF Women Trnava | 2018/02/07 10:00 | Sumova, Diana v Zawadzka, Joanna | 3-6,3-6 |
| ITF Women Trnava | 2018/02/05 10:00 | Mendesova, Pernilla v Zawadzka, Joanna | 6-2,6-3 |
| ITF Women Tucepi | 2018/04/26 09:00 | Tena Lukas v Kitagawa, Rio | 6-0,1-6,6-1 |
| ITF Women Tucepi | 2018/04/24 09:00 | Kitagawa, Rio v Anna Klasen | 7-6,5-7,6-4 |
| ITF Women Tucepi | 2018/04/23 08:00 | Kitagawa, Rio v Surova, Viktoria | 6-4,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/12 10:25 | Kitagawa, Rio v Julia Terziyska | 0-6,1-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/11 09:50 | Ashmitha Easwaramurthi v Kitagawa, Rio | 2-6,0-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/09 08:00 | Walters, Alexandra v Kitagawa, Rio | 3-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/08 08:00 | Panfilov, Lara v Kitagawa, Rio | 6-7,6-2,3-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/04/01 08:00 | Kitagawa, Rio v Olga Helmi | 3-6,3-6 |