| ITF Women Wiesbaden | 2017/05/02 13:00 | Schaeder, Laura v Gerlach, Katharina | 1-6,4-6 |
| ITF Women Wiesbaden | 2017/05/02 07:30 | Rittberger, Sabrina v Gerlach, Katharina | 1-6,4-6 |
| WTA Stuttgart Qual | 2017/04/22 12:25 | Lesley Pattinama Kerkhove v Gerlach, Katharina | 7-5,6-4 |
| ITF Women Hammamet | 2017/04/14 09:00 | Brito, Fernanda v Gerlach, Katharina | 6-2,6-0 |
| ITF Women Hammamet | 2017/04/13 08:30 | Januskova, Petra v Gerlach, Katharina | 1-6,3-6 |
| ITF Women Hammamet | 2017/04/12 10:10 | Kilnarova, Monika v Gerlach, Katharina | 4-6,1-6 |
| ITF Women Hammamet | 2017/03/17 09:00 | Nina Potocnik v Gerlach, Katharina | 7-6,6-0 |
| ITF Women Hammamet | 2017/03/16 09:55 | Yasmine Mansouri v Gerlach, Katharina | 2-6,7-5,2-6 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2017/02/12 17:30 | Zimmermann, Kimberley v Kathleen Kanev | 6-2,6-2 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2017/02/11 12:00 | Kathleen Kanev v Selina Dal | 7-5,6-1 |
| ITF Women Stuttgart | 2017/01/18 10:00 | Nina Stadler v Kathleen Kanev | 6-1,6-1 |