Stadium: Center Court Kamen
| DTB German Pro Series Women | 2020/06/30 12:10 | Katharina Gerlach v Nastasja Schunk | 4-6,4-6 |
| DTB German Pro Series Women | 2020/07/03 07:00 | Mona Barthel v Nastasja Schunk | 1-6,7-5,6-2 |
| 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 12:30 | Nastasja Schunk v Jule Niemeier | 6-1,6-0 |
| DTB German Pro Series Women | 2020/06/18 08:00 | Nastasja Schunk v Tea Lukic | 2-6,7-5,6-0 |
| 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 13:25 | Tamara Korpatsch v Nastasja Schunk | 6-1,7-6 |
| ITF W25 Altenkirchen | 2020/02/27 17:50 | Anna Zaja v Nastasja Schunk | 6-0,7-6 |
| ITF W25 Altenkirchen | 2020/02/25 10:00 | Chiara Scholl v Nastasja Schunk | 2-6,1-6 |
| DTB German Pro Series Women | 2020/07/02 16:30 | Katharina Gerlach v Jana Hecking | 6-0,6-1 |
| 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 |