Stadium: Center Court Kamen
| ITF W25 Leipzig | 2019/08/16 10:20 | Katharina Gerlach v Caroline Werner | 6-4,6-4 |
| ITF W25 Stuttgart | 2019/07/02 16:30 | Katharina Gerlach v Caroline Werner | 0-6,3-6 |
| DTB German Pro Series Women | 2020/07/02 08:10 | Mona Barthel v Katharina Gerlach | 6-4,3-6,0-6 |
| DTB German Pro Series Women | 2020/06/30 12:10 | Katharina Gerlach v Nastasja Schunk | 4-6,4-6 |
| DTB German Pro Series Women | 2020/06/19 15:20 | Katharina Gerlach v Julia Middendorf | 6-2,6-3 |
| DTB German Pro Series Women | 2020/06/18 16:25 | Katharina Gerlach v Julyette M J Steur | 7-5,6-1 |
| DTB German Pro Series Women | 2020/06/18 07:00 | Katharina Gerlach v Mina Hodzic | 6-3,6-4 |
| DTB German Pro Series Women | 2020/06/16 14:05 | Katharina Gerlach v Angelina Wirges | 6-4,6-1 |
| ITF W25 Orlando | 2019/11/13 14:55 | Maria Lourdes Carle v Katharina Gerlach | 4-6,6-3,7-5 |
| ITF W60 Colina | 2019/11/08 17:00 | Allie Kiick v Katharina Gerlach | 6-4,6-4 |
| DTB German Pro Series Women | 2020/06/30 14:40 | Mona Barthel v Caroline Werner | 6-1,6-7,6-1 |
| DTB German Pro Series Women | 2020/06/19 09:20 | Caroline Werner v Mara Guth | 6-4,6-4 |
| DTB German Pro Series Women | 2020/06/18 10:45 | Tamara Korpatsch v Caroline Werner | 6-2,6-0 |
| DTB German Pro Series Women | 2020/06/17 08:00 | Caroline Werner v Nastasja Schunk | 1-6,1-6 |
| DTB German Pro Series Women | 2020/06/16 08:00 | Caroline Werner v Tea Lukic | 6-3,7-6 |
| ITF W15 Amiens | 2020/03/12 15:30 | Caroline Werner v Alice Tubello | 7-5,3-6,2-6 |
| ITF W15 Amiens | 2020/03/11 09:30 | Caroline Werner v Ines Nicault | 6-2,6-3 |
| ITF W25 Antalya | 2020/03/04 07:00 | Caroline Werner v Gozal Ainitdinova | 3-6,6-3,4-6 |