Stadium: Centre Court Darmstadt Round: 28
| 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 Darmstadt | 2018/07/18 10:00 | Melanie Stokke v Romy Koelzer | 2-6,2-6 |
| ITF Women Darmstadt Qual | 2018/07/16 15:30 | Naomi Cheong v Romy Koelzer | 2-6,2-6 |
| ITF Women Darmstadt Qual | 2018/07/16 10:00 | Katharina Hering v Romy Koelzer | 3-6,7-5,3-6 |
| ITF Women Getxo | 2018/07/13 09:00 | Montserrat Gonzalez v Romy Koelzer | 6-2,6-2 |
| ITF Women Getxo | 2018/07/11 10:00 | Romy Koelzer v Marina Bassols Ribera | 6-4,6-3 |
| ITF Women Getxo | 2018/07/09 09:20 | Romy Koelzer v Daria Lodikova | 6-3,6-1 |
| ITF Women Darmstadt | 2018/07/20 15:30 | Katharina Gerlach v Melanie Klaffner | 7-5,6-1 |
| ITF Women Darmstadt | 2018/07/19 11:00 | Isabella Shinikova v Katharina Gerlach | 7-6,2-6,4-6 |
| ITF Women Darmstadt | 2018/07/18 13:00 | Ruxandra Schech v Katharina Gerlach | 1-6,3-6 |
| ITF Women Versmold | 2018/07/11 15:00 | Katharina Gerlach v Cagla Buyukakcay | 6-2,4-6,5-7 |
| ITF Women Aschaffenburg | 2018/07/04 13:00 | Katharina Gerlach v Elizabeth Halbauer | 4-6,6-1,1-6 |
| ITF Women Stuttgart | 2018/06/27 11:00 | Alexandra Panova v Katharina Gerlach | 7-5,6-4 |
| ITF Women Kaltenkirchen | 2018/06/20 09:00 | Katharina Gerlach v Lucie Wargnier | 2-6,6-0,4-6 |
| ITF Women Essen | 2018/06/12 10:30 | Ekaterine Gorgodze v Katharina Gerlach | 6-0,1-6,6-1 |