Stadium: Center Court Round: 25 Ground: Clay
| ITF W25 Grado | 2020/09/15 09:00 | Daniela Vismane v Sina Herrmann | 2-6,0-6 |
| ITF W25 Grado | 2020/09/14 10:00 | Sina Herrmann v Anna Turati | 6-4,6-2 |
| ITF W25 Tarvisio | 2020/09/08 07:30 | Sina Herrmann v Schaeder, Laura | 5-7,5-7 |
| ITF W15 Otocec | 2020/09/04 08:15 | Sina Herrmann v Nastasja Schunk | 2-6,2-6 |
| ITF W15 Otocec | 2020/09/03 08:10 | Sina Herrmann v Sinja Kraus | 1-6,6-4,6-3 |
| ITF W15 Otocec | 2020/09/01 12:20 | Ukolova, Anna v Sina Herrmann | 2-6,3-6 |
| ITF W15 Alkmaar | 2020/08/28 11:00 | Burger, Cindy v Sina Herrmann | 6-3,6-2 |
| ITF W15 Alkmaar | 2020/08/27 10:55 | Stephanie Judith Visscher v Sina Herrmann | 3-6,0-6 |
| ITF W25 Tarvisio | 2020/09/10 14:05 | Francesca Jones v Gerlach, Katharina | 6-0,7-5 |
| WTA Prague | 2020/08/31 13:00 | Bibiane Schoofs v Gerlach, Katharina | 6-2,6-0 |
| WTA Prague | 2020/08/29 10:35 | Gerlach, Katharina v Satralova, Denisa | 6-2,6-1 |
| DTB German Pro Series Women | 2020/07/18 12:30 | Gerlach, Katharina v Nastasja Schunk | 1-6,4-6 |
| DTB German Pro Series Women | 2020/07/17 12:30 | Laura Siegemund v Gerlach, Katharina | 7-5,6-0 |
| DTB German Pro Series Women | 2020/07/16 15:40 | Gerlach, Katharina v Jule Niemeier | 6-2,6-1 |
| DTB German Pro Series Women | 2020/07/15 15:45 | Gerlach, Katharina v Ponomar, Lisa | 7-5,6-1 |
| DTB German Pro Series Women | 2020/07/03 14:20 | Nastasja Schunk v Gerlach, Katharina | 3-6,2-6 |