Stadium: Centre Court Darmstadt
| ITF - W25 Leipzig | 2019/08/18 11:00 | Jule Niemeier v Katharina Gerlach | 6-3,6-3 |
| ITF - W25 Aschaffenburg | 2019/07/20 13:30 | Katharina Gerlach v Jule Niemeier | 3-6,6-4,1-6 |
| DTB German Pro Series - Feminin | 2020/07/15 15:45 | Katharina Gerlach v Lisa Ponomar | 7-5,6-1 |
| DTB German Pro Series - Feminin | 2020/07/03 14:20 | Nastasja Schunk v Katharina Gerlach | 3-6,2-6 |
| DTB German Pro Series - Feminin | 2020/07/02 16:30 | Katharina Gerlach v Jana Hecking | 6-0,6-1 |
| DTB German Pro Series - Feminin | 2020/07/02 08:10 | Mona Barthel v Katharina Gerlach | 6-4,3-6,0-6 |
| DTB German Pro Series - Feminin | 2020/06/30 12:10 | Katharina Gerlach v Nastasja Schunk | 4-6,4-6 |
| DTB German Pro Series - Feminin | 2020/06/19 15:20 | Katharina Gerlach v Julia Middendorf | 6-2,6-3 |
| DTB German Pro Series - Feminin | 2020/06/18 16:25 | Katharina Gerlach v Julyette M J Steur | 7-5,6-1 |
| DTB German Pro Series - Feminin | 2020/06/18 07:00 | Katharina Gerlach v Mina Hodzic | 6-3,6-4 |
| DTB German Pro Series - Feminin | 2020/07/15 11:05 | Laura Siegemund v Jule Niemeier | 6-4,6-4 |
| DTB German Pro Series - Feminin | 2020/07/03 14:10 | Laura Siegemund v Jule Niemeier | 5-7,6-3,6-4 |
| DTB German Pro Series - Feminin | 2020/07/02 15:15 | Jule Niemeier v Romy Koelzer | 7-6,7-5 |
| DTB German Pro Series - Feminin | 2020/07/01 09:30 | Laura Siegemund v Jule Niemeier | 6-4,6-4 |
| DTB German Pro Series - Feminin | 2020/06/30 13:20 | Jule Niemeier v Mina Hodzic | 6-2,7-5 |
| DTB German Pro Series - Feminin | 2020/06/19 12:30 | Nastasja Schunk v Jule Niemeier | 6-1,6-0 |
| DTB German Pro Series - Feminin | 2020/06/18 14:55 | Mona Barthel v Jule Niemeier | 7-6,6-2 |
| DTB German Pro Series - Feminin | 2020/06/17 09:35 | Jule Niemeier v Mara Guth | 6-1,6-3 |