| Obidos, Singles W-WITF-POR-12A | 2018/09/29 10:00 | Anna Klasen v Ponomar, Lisa | 6-2,7-5 |
| German Premier League Women | 2020/07/30 07:30 | Anna Klasen v Luisa Meyer Auf Der Heide | 6-3,6-0 |
| German Premier League Women | 2020/07/29 09:20 | Hering, Katharina v Anna Klasen | 6-1,3-6,6-7 |
| German Premier League Women | 2020/07/28 17:10 | Anna Klasen v Miriam Bulgaru | 4-6,6-0,3-6 |
| German Premier League Women | 2020/07/27 11:15 | Anna Klasen v Yana Morderger | 6-2,6-2 |
| DTB German Pro Series Women | 2020/07/03 08:00 | Anna Klasen v Nicole Rivkin | 6-3,6-3 |
| DTB German Pro Series Women | 2020/07/02 08:55 | Anna Klasen v Nicole Rivkin | 6-3,6-3 |
| 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 |
| German Premier League Women | 2020/07/30 15:35 | Miriam Bulgaru v Ponomar, Lisa | 7-6,3-6,6-4 |
| German Premier League Women | 2020/07/29 13:40 | Luisa Meyer Auf Der Heide v Ponomar, Lisa | 3-6,0-6 |
| German Premier League Women | 2020/07/28 08:00 | Yana Morderger v Ponomar, Lisa | 7-5,6-4 |
| German Premier League Women | 2020/07/27 08:00 | Ponomar, Lisa v Hering, Katharina | 2-6,6-4,6-4 |
| DTB German Pro Series Women | 2020/07/26 09:00 | Nastasja Schunk v Ponomar, Lisa | 4-6,6-3,2-6 |
| DTB German Pro Series Women | 2020/07/25 10:55 | Ponomar, Lisa v Zaja, Anna | 1-6,1-6 |
| DTB German Pro Series Women | 2020/07/18 08:00 | Ponomar, Lisa v Zaja, Anna | 4-6,4-6 |
| DTB German Pro Series Women | 2020/07/17 09:50 | Jule Niemeier v Ponomar, Lisa | 6-1,6-3 |