| ITF Women Obidos | 2018/04/18 09:30 | Ganna Poznikhirenko v Romy Koelzer | 6-2,6-0 |
| ITF Women Obidos Qual | 2018/04/17 12:45 | Aleksandrina Naydenova v Romy Koelzer | 0-6,7-6,4-6 |
| ITF Women Obidos Qual | 2018/04/16 09:00 | Julia Kimmelmann v Romy Koelzer | 4-6,1-6 |
| ITF Women Obidos Qual | 2018/04/09 11:00 | Romy Koelzer v Karola Patricia Bejenaru | 4-6,5-7 |
| ITF Women Heraklion | 2018/03/31 07:30 | Romy Koelzer v Monika Kilnarova | 3-6,4-6 |
| ITF Women Heraklion | 2018/03/30 07:30 | Victoria Kan v Romy Koelzer | 6-3,4-6,1-6 |
| ITF Women Heraklion | 2018/03/29 09:05 | Luniuska Delgado v Romy Koelzer | 4-6,2-6 |
| ITF Women Heraklion | 2018/03/28 06:00 | Vasiliki Karvouni v Romy Koelzer | 3-6,2-6 |
| ITF Women Obidos Qual | 2018/04/16 13:00 | Stephanie Bertschmann v Alba Carrillo Marin | 1-6,1-6 |
| ITF Women Seville Qual | 2017/10/07 12:00 | Carlota Molina Megias v Stephanie Bertschmann | 6-0,6-0 |
| ITF Women Aschaffenburg Qual | 2017/07/16 09:00 | Stephanie Bertschmann v Luna Meers | 3-6,1-6 |
| ITF Women Wiesbaden | 2017/05/02 07:30 | Marie Benoit v Stephanie Bertschmann | 6-1,6-1 |