Stadium: Court 2 Round: 26
| ITF Women Aschaffenburg | 2018/07/04 15:45 | Zaja, Anna v Heisen, Vivian | 6-4,6-1 |
| ITF Women Stuttgart | 2018/07/01 13:10 | Minella, Mandy v Zaja, Anna | 6-4,4-6,6-1 |
| ITF Women Stuttgart | 2018/06/30 14:00 | Marie Benoit v Zaja, Anna | 3-6,2-6 |
| ITF Women Stuttgart | 2018/06/29 16:50 | Molinaro, Eleonora v Zaja, Anna | 5-7,5-7 |
| ITF Women Stuttgart | 2018/06/28 13:40 | Angelica Moratelli v Zaja, Anna | 3-6,4-6 |
| ITF Women Stuttgart | 2018/06/27 16:00 | Hradecka, Lucie v Zaja, Anna | 7-5,3-6,3-6 |
| ITF Women Klosters | 2018/06/20 09:55 | Zaja, Anna v Sarah Rebecca Sekulic | 6-7,3-6 |
| ITF Women Klosters | 2018/06/19 09:25 | Zaja, Anna v Federica Di Sarra | 6-3,6-0 |
| ITF Women Aschaffenburg | 2018/07/03 11:00 | Ruppert, Lena v Amina Anshba | 2-6,7-5,6-4 |
| ITF Women Stuttgart Qual | 2018/06/25 10:05 | Solovyeva, Valeria v Ruppert, Lena | 6-3,6-0 |
| ITF Women Stare Splavy Qual | 2018/06/03 13:00 | Irina Ramialison v Ruppert, Lena | 6-4,6-2 |
| ITF Women Stare Splavy Qual | 2018/06/03 08:00 | Ruppert, Lena v Medcalf, Anne-Marie | 6-0,6-4 |
| ITF Women Santa Margherita Qual | 2018/04/09 15:30 | Solovyeva, Valeria v Ruppert, Lena | 6-2,6-0 |
| ITF Women Santa Margherita Qual | 2018/04/02 17:45 | Marie Benoit v Ruppert, Lena | 6-3,6-1 |
| ITF Women Santa Margherita Qual | 2018/04/01 12:00 | Ruppert, Lena v Rakic, Radina | 6-0,6-0 |
| ITF Women Stuttgart | 2018/01/24 12:45 | Ruppert, Lena v Vankova, Katerina | 2-6,3-6 |