Stadium: Court 1 Round: 26 Ground: Clay
| ITF W25 - Braunschweig | 2019/08/21 12:25 | Kathinka Von Deichmann v Seone Mendez | 6-4,6-3 |
| WTA Palermo | 2019/07/21 18:40 | Tereza Mrdeza v Kathinka Von Deichmann | 6-3,5-7,7-5 |
| WTA Palermo | 2019/07/20 19:05 | Anastasia Grymalska v Kathinka Von Deichmann | 5-7,1-6 |
| WTA Lausanne | 2019/07/13 09:50 | Kristina Kucova v Kathinka Von Deichmann | 7-5,4-6,6-3 |
| ITF W60 - Versmold | 2019/07/10 13:00 | Katharina Hobgarski v Kathinka Von Deichmann | 2-6,7-6,6-3 |
| ITF W25 - Stuttgart | 2019/07/05 11:00 | Maja Chwalinska v Kathinka Von Deichmann | 6-3,6-2 |
| ITF W25 - Stuttgart | 2019/07/04 09:00 | Karolina Kubanova v Kathinka Von Deichmann | 6-7,1-6 |
| ITF W25 - Stuttgart | 2019/07/02 13:30 | Cristina Ene v Kathinka Von Deichmann | 2-6,3-6 |
| ITF W25 - Braunschweig | 2019/08/21 14:50 | Katharina Gerlach v Yana Morderger | 6-2,7-6 |
| ITF W25 - Leipzig | 2019/08/18 11:00 | Jule Niemeier v Katharina Gerlach | 6-3,6-3 |
| ITF W25 - Leipzig | 2019/08/17 09:00 | Katharina Gerlach v Valentyna Ivakhnenko | 6-2,6-2 |
| ITF W25 - Leipzig | 2019/08/16 10:20 | Katharina Gerlach v Caroline Werner | 6-4,6-4 |
| ITF W25 - Leipzig | 2019/08/14 09:00 | Katharina Gerlach v Martina Caregaro | 6-1,6-4 |
| ITF W60 - Hechingen | 2019/08/08 13:30 | Katharina Gerlach v Laura Schaeder | 6-0,4-6,4-6 |
| ITF W60 - Hechingen | 2019/08/08 08:00 | Julia Grabher v Katharina Gerlach | 3-6,1-6 |
| ITF W25 - Bad Saulgau | 2019/08/04 11:00 | Sara Sorribes Tormo v Katharina Gerlach | 7-6,6-1 |