Stadium: Centre Court Darmstadt
| DTB German Pro Series Women | 2020/06/30 09:40 | Laura Siegemund v Koelzer, Romy | 6-0,6-2 |
| DTB German Pro Series Women | 2020/06/18 12:30 | Schultheiss, Carmen v Koelzer, Romy | 6-7,6-7 |
| DTB German Pro Series Women | 2020/06/17 09:30 | Laura Siegemund v Koelzer, Romy | 6-1,6-0 |
| DTB German Pro Series Women | 2020/06/16 14:10 | Schaeder, Laura v Koelzer, Romy | 2-6,5-7 |
| ITF - W15 Héraklion | 2020/03/12 10:00 | Astakhova, Darya v Koelzer, Romy | 6-2,3-6,4-6 |
| ITF - W15 Héraklion | 2020/03/11 08:30 | Wensveen, Sem v Koelzer, Romy | 3-6,6-2,2-6 |
| ITF - W15 Héraklion | 2020/03/07 09:00 | Koelzer, Romy v Rebeka Masarova | 3-6,0-6 |
| ITF - W15 Héraklion | 2020/03/06 08:30 | Rosca, Andreea Amalia v Koelzer, Romy | 1-6,5-7 |
| DTB German Pro Series Women | 2020/06/30 13:20 | Jule Niemeier v Mina Hodzic | 6-2,7-5 |
| DTB German Pro Series Women | 2020/06/19 13:25 | Anna-Lena Friedsam v Mina Hodzic | 6-4,7-5 |
| DTB German Pro Series Women | 2020/06/18 14:20 | Angelina Wirges v Mina Hodzic | 2-6,5-7 |
| DTB German Pro Series Women | 2020/06/18 07:00 | Gerlach, Katharina v Mina Hodzic | 6-3,6-4 |
| DTB German Pro Series Women | 2020/06/16 09:25 | Steur, Julyette Maria Josephine v Mina Hodzic | 2-6,1-6 |
| ITF W25 Altenkirchen | 2020/02/25 15:45 | Rubini, Stefania v Mina Hodzic | 6-3,6-4 |
| ITF W25 Altenkirchen | 2020/02/24 11:00 | Berankova, Karolina v Mina Hodzic | 7-5,6-3 |
| ITF W25 Altenkirchen | 2020/02/23 10:50 | Chantal Sauvant v Mina Hodzic | 5-7,4-6 |