Stadium: Court B
| German Masters Women | 2020/08/26 06:30 | Tayisiya Morderger v Klasen, Charlotte | 6-3,6-2 |
| German Masters Women | 2020/08/25 06:30 | Ghitescu, Andreea v Klasen, Charlotte | 0-6,3-6 |
| German Masters Women | 2020/08/24 18:00 | Halbauer, Elizabeth v Klasen, Charlotte | 6-1,6-4 |
| German Masters Women | 2020/08/21 16:50 | Suzan Lamens v Klasen, Charlotte | 0-6,6-3,6-1 |
| German Premier League Women | 2020/08/21 12:10 | Koelzer, Romy v Klasen, Charlotte | 6-3,6-0 |
| German Premier League Women | 2020/08/20 15:20 | Klasen, Charlotte v Rosca, Andreea Amalia | 7-6,2-6,6-3 |
| German Masters Women | 2020/08/20 09:05 | Luisa Meyer Auf Der Heide v Klasen, Charlotte | 2-6,3-6 |
| German Masters Women | 2020/08/19 10:35 | Jule Niemeier v Klasen, Charlotte | 7-5,7-6 |