Stadium: C Round: 25 Ground: Clay
| Nuremberg, Germany | 2018/05/21 12:05 | Katerina Siniakova v Zaja, Anna | 2-6,6-4,6-1 |
| WTA Nurnberg Qual | 2018/05/20 10:15 | Zarycka, Anastatsia v Zaja, Anna | 7-6,3-6,4-6 |
| WTA Nurnberg Qual | 2018/05/19 13:05 | Gerlach, Katharina v Zaja, Anna | 6-7,3-6 |
| Balatonboglar, Simples W-WITF-HUN-08A | 2018/05/04 09:45 | Kaja Juvan v Zaja, Anna | 6-3,6-1 |
| Balatonboglar, Simples W-WITF-HUN-08A | 2018/05/03 11:30 | Zaja, Anna v Remondina, Anna | 6-1,7-6 |
| Balatonboglar, Simples W-WITF-HUN-08A | 2018/05/02 09:00 | Zaja, Anna v Amina Anshba | 7-5,6-1 |
| Balatonboglar, Simples W-WITF-HUN-08A | 2018/05/01 14:00 | Zaja, Anna v Veronika Erjavec | 6-7,7-6,6-2 |
| WTA Stuttgart Qual | 2018/04/22 13:50 | Witthoeft, Carina v Zaja, Anna | 2-6,6-0,6-3 |
| ITF Women Stare Splavy | 2018/06/07 09:30 | Kostova, Elitsa v Anna Bondar | 6-3,3-6,6-1 |
| ITF Women Stare Splavy | 2018/06/05 09:15 | Burger, Cindy v Anna Bondar | 6-7,7-6,4-6 |
| ITF Women Stare Splavy Qual | 2018/06/04 09:00 | Anna Bondar v Vankova, Katerina | 3-6,6-4,6-3 |
| ITF Women Stare Splavy Qual | 2018/06/03 14:30 | Anna Bondar v Petruzelova, Marketa | 6-1,6-1 |
| ITF Women Grado Qual | 2018/05/27 12:00 | Anna Bondar v Nadia Podoroska | 3-6,3-6 |
| ITF Women Grado Qual | 2018/05/26 14:00 | Anna Bondar v Carolina Alves | 7-5,7-6 |
| ITF Women Kaposvar | 2018/05/12 09:00 | Aneta Kucmova v Anna Bondar | 4-6,6-7 |
| ITF Women Kaposvar | 2018/05/11 09:00 | Marfutina, Maria v Anna Bondar | 6-7,2-6 |