Stadium: Clay Court 12 Round: 26 Ground: Clay
| ITF - W15 Héraklion | 2020/03/12 10:00 | Astakhova, Darya v Koelzer, Romy | 6-2,3-6,4-6 |
| ITF - W15 Héraklion | 2020/10/27 08:00 | Dimitra Pavlou v Koelzer, Romy | 1-6,7-6,0-6 |
| ITF W25 Porto | 2020/09/27 12:30 | Koelzer, Romy v Riya Bhatia | 6-4,2-6,9-11 |
| ITF W25 Porto | 2020/09/21 13:30 | Koelzer, Romy v Angela Fita Boluda | 5-7,3-6 |
| ITF W25 Frydek Mistek | 2020/09/13 12:00 | Arina Gabriela Vasilescu v Koelzer, Romy | 1-6,6-4,11-9 |
| German Masters Women | 2020/08/28 07:35 | Koelzer, Romy v Anna Klasen | 7-6,7-6 |
| German Masters Women | 2020/08/27 14:25 | Fabienne Gettwart v Koelzer, Romy | 2-6,3-6 |
| German Premier League Women | 2020/08/27 12:30 | Fabienne Gettwart v Koelzer, Romy | 2-6,3-6 |
| German Premier League Women | 2020/08/26 08:00 | Koelzer, Romy v Elena-Teodora Cadar | 6-4,6-4 |
| ITF - W15 Héraklion | 2020/10/27 08:00 | Anca Alexia Todoni v Astakhova, Darya | 3-6,2-6 |
| ITF - W15 Monastir | 2020/10/04 08:30 | Talbi, Shalimar v Astakhova, Darya | 6-2,6-3 |
| ITF - W15 Monastir | 2020/10/03 08:30 | Maria Lourdes Carle v Astakhova, Darya | 0-6,6-4,3-6 |
| ITF - W15 Monastir | 2020/10/02 08:30 | Vishnevskaya, Ekaterina v Astakhova, Darya | 3-6,4-6 |
| ITF - W15 Monastir | 2020/10/01 09:50 | Le Bihan, Kelia v Astakhova, Darya | 2-6,4-6 |
| ITF - W15 Monastir | 2020/09/30 09:00 | Olivia Gram v Astakhova, Darya | 2-6,2-6 |
| ITF - W15 Monastir | 2020/09/26 08:30 | Astakhova, Darya v Hatouka, Yuliya | 1-6,2-6 |
| ITF - W15 Monastir | 2020/09/25 08:20 | Catini, Chiara v Astakhova, Darya | 6-3,1-6,6-7 |