Round: 54 Ground: Clay
| ITF Women Leipzig | 2017/08/15 15:00 | Amina Anshba v Koelzer, Romy | 6-0,7-6 |
| ITF Women Hechingen Qual | 2017/08/07 14:00 | Koelzer, Romy v Dascalu, Nicoleta-Catalina | 4-6,2-6 |
| ITF Women Hechingen Qual | 2017/08/06 10:25 | Natalie Barbir v Koelzer, Romy | 0-6,0-6 |
| ITF Women Bad Saulgau Qual | 2017/08/01 09:20 | Scholsen, Helene v Koelzer, Romy | 6-4,6-4 |
| ITF Women Bad Saulgau Qual | 2017/07/31 11:00 | Horackova, Gabriela v Koelzer, Romy | 2-6,6-3,1-6 |
| ITF Women Aschaffenburg | 2017/07/19 09:00 | Anna Gabric v Koelzer, Romy | 6-4,6-2 |
| ITF Women Versmold Qual | 2017/07/09 14:55 | Koelzer, Romy v Zarycka, Anastatsia | 3-6,4-6 |
| ITF Women Versmold Qual | 2017/07/09 09:40 | Koelzer, Romy v Coppola, Claudia | 6-3,6-3 |
| ITF Women Santa Margherita Qual | 2017/09/17 13:00 | Ciconne, Virginia v Heinrichs, Laura | 0-6,3-6 |
| ITF Women Middelkerke | 2017/08/29 09:55 | Heinrichs, Laura v Magali Kempen | 3-6,3-6 |
| ITF Women Aschaffenburg Qual | 2017/07/17 12:00 | Khabibulina, Albina v Heinrichs, Laura | 6-4,2-6,6-2 |
| ITF Women Aschaffenburg Qual | 2017/07/16 13:00 | Stephanie Judith Visscher v Heinrichs, Laura | 2-6,4-6 |
| Matchs amicaux U18 | 2017/07/14 14:25 | Heinrichs, Laura v Melanie Klaffner | 6-7,0-6 |
| Matchs amicaux U18 | 2017/07/13 13:15 | Arianne Hartono v Heinrichs, Laura | 5-7,2-6 |
| ITF Women Middelburg Qual | 2017/07/02 12:20 | Zoe Hives v Heinrichs, Laura | 6-1,6-4 |
| ITF Women Middelburg Qual | 2017/07/01 08:00 | Gouvernante, Donnaroza v Heinrichs, Laura | 5-7,0-6 |