| ITF W25 Altenkirchen | 2020/02/23 14:30 | Mack, Mia v Kalaitzis, Victoria | 6-4,2-6,5-10 |
| ITF - W15 Antalya | 2019/10/28 07:00 | Rittberger, Sabrina v Mack, Mia | 1-6,7-5,10-2 |
| ITF W60 Hechingen | 2019/08/05 16:55 | Mack, Mia v Tayisiya Morderger | 2-6,1-6 |
| ITF W25 Horb | 2019/07/22 13:30 | Mack, Mia v Pirok, Alexa | 5-7,1-6 |
| German Masters Women | 2020/08/28 16:00 | Klasen, Charlotte v Lemoine, Quirine | 3-6,1-6 |
| German Masters Women | 2020/08/28 06:30 | Ekaterina Makarova v Klasen, Charlotte | 5-7,6-2,6-3 |
| German Masters Women | 2020/08/27 08:00 | Noemi Hemmerich v Klasen, Charlotte | 4-6,2-6 |
| 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 |