Stadium: Center Court Hannover
| DTB German Pro Series Women | 2020/07/01 09:00 | Anna Klasen v Jasmin Jebawy | 6-0,6-2 |
| DTB German Pro Series Women | 2020/06/30 08:00 | Anna Klasen v Angelina Wirges | 6-4,4-6,6-3 |
| ITF - W15 Héraklion | 2020/03/12 10:30 | Anna Klasen v Ardidiacono, Frederica | 7-6,1-6,7-5 |
| ITF - W15 Héraklion | 2020/03/11 10:05 | Tamara Curovic v Anna Klasen | 5-7,0-6 |
| ITF - W15 Héraklion | 2020/03/10 10:50 | Anna Klasen v Wensveen, Sem | 2-6,6-1,10-5 |
| ITF - W15 Héraklion | 2020/03/10 08:00 | Anna Klasen v Bolebruchova, Ema | 6-1,6-3 |
| ITF - W15 Héraklion | 2020/03/01 08:30 | Laura Svatikova v Anna Klasen | 7-5,6-3 |
| ITF W25 Altenkirchen | 2020/02/23 17:30 | Fabienne Gettwart v Anna Klasen | 5-7,6-4,10-8 |
| DTB German Pro Series Women | 2020/07/01 10:45 | Angelina Wirges v Nicole Rivkin | 4-6,2-6 |
| DTB German Pro Series Women | 2020/06/30 11:05 | Jasmin Jebawy v Nicole Rivkin | 0-6,2-6 |
| DTB German Pro Series Women | 2020/06/16 10:20 | Jule Niemeier v Nicole Rivkin | 6-2,5-7,6-4 |
| ITF Women Braunschweig Qual | 2017/08/20 11:00 | Marozava, Lidziya v Nicole Rivkin | 6-1,6-0 |