Stadium: Center Court Round: 44
| ITF Women Leipzig | 2018/08/13 10:30 | Romy Koelzer v Evgeniya Levashova | 6-4,1-6,6-4 |
| ITF Women Warsaw | 2018/08/06 14:00 | Romy Koelzer v Maja Chwalinska | 0-6,0-6 |
| ITF Women Horb | 2018/07/25 14:00 | Jaqueline Adina Cristian v Romy Koelzer | 3-6,7-5,7-5 |
| ITF Women Horb Qual | 2018/07/24 12:45 | Romy Koelzer v Emily Seibold | 7-5,6-3 |
| ITF Women Horb Qual | 2018/07/23 15:00 | Romy Koelzer v Alice Violet | 6-1,6-2 |
| ITF Women Darmstadt | 2018/07/21 12:00 | Romy Koelzer v Katharina Gerlach | 5-7,3-6 |
| ITF Women Darmstadt | 2018/07/20 11:00 | Romy Koelzer v Nina Potocnik | 6-1,6-2 |
| ITF Women Darmstadt | 2018/07/19 10:00 | Romy Koelzer v Karin Kennel | 6-2,6-2 |
| ITF Women Leipzig | 2018/08/12 12:30 | Aneta Laboutkova v Caroline Werner | 1-6,4-6 |
| ITF Women Warsaw Qual | 2018/08/06 10:00 | Caroline Werner v Iva Primorac | 2-6,4-6 |
| ITF Women Warsaw Qual | 2018/08/05 10:00 | Caroline Werner v Jovana Trickovic | 6-0,6-1 |
| ITF Women Warsaw Qual | 2018/08/04 07:00 | Caroline Werner v Lucie Petruzelova | 6-1,6-2 |
| ITF Women Darmstadt Qual | 2018/07/15 11:30 | Caroline Werner v Lara Schmidt | 6-3,6-2 |
| ITF Women Getxo | 2018/07/10 16:30 | Mercedes Aristegui v Caroline Werner | 1-6,6-3,6-1 |
| ITF Women Obidos | 2018/06/12 12:35 | Maia Lumsden v Caroline Werner | 7-6,6-2 |
| ITF Women Karuizawa | 2018/05/24 04:45 | Caroline Werner v Momoko Kobori | 2-6,4-6 |