Stadium: Court 2 Round: 25
| 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 |
| WTA Nurnberg Qual | 2018/05/19 13:05 | Katharina Gerlach v Anna Zaja | 6-7,3-6 |
| ITF Women Balatonboglar | 2018/05/02 10:55 | Kaja Juvan v Katharina Gerlach | 6-2,6-1 |
| ITF Women Balatonboglar | 2018/05/01 09:40 | Katharina Gerlach v Dalma Galfi | 6-3,4-6,6-2 |
| WTA Stuttgart Qual | 2018/04/21 11:45 | Su-Wei Hsieh v Katharina Gerlach | 2-6,7-5,6-2 |
| ITF Women Santa Margherita Qual | 2018/03/27 13:00 | Martina Di Giuseppe v Katharina Gerlach | 6-3,7-5 |
| ITF Women Aschaffenburg Qual | 2018/07/02 13:10 | Naomi Cheong v Elizabeth Halbauer | 2-6,1-6 |
| ITF Women Aschaffenburg Qual | 2018/07/01 13:30 | Aneta Laboutkova v Elizabeth Halbauer | 2-6,2-6 |
| ITF Women Stuttgart | 2018/06/27 11:00 | Irina Fetecau v Elizabeth Halbauer | 7-5,6-1 |
| ITF Women Stuttgart Qual | 2018/06/26 08:00 | Lena Papadakis v Elizabeth Halbauer | 4-6,6-1,6-4 |
| ITF Women Stuttgart Qual | 2018/06/25 09:00 | Carmen Schultheiss v Elizabeth Halbauer | 3-6,0-6 |
| ITF Women Padova | 2018/06/14 15:00 | Tamara Zidansek v Elizabeth Halbauer | 6-1,6-1 |
| ITF Women Padova | 2018/06/13 09:30 | Tena Lukas v Elizabeth Halbauer | 6-1,5-7,6-7 |
| ITF Women Brescia | 2018/06/06 13:30 | Reka-Luca Jani v Elizabeth Halbauer | 1-6,7-5,6-1 |