Stadium: Flower Court Round: 28 Ground: Clay
| ITF W25 Aschaffenburg | 2019/07/19 11:30 | Ekaterina Makarova v Katharina Gerlach | 0-6,2-6 |
| ITF W25 Aschaffenburg | 2019/07/17 12:25 | Julia Stamatova v Katharina Gerlach | 4-6,3-6 |
| ITF W60 Versmold | 2019/07/10 12:00 | Katharina Gerlach v Elitsa Kostova | 3-6,5-7 |
| ITF W25 Stuttgart | 2019/07/02 16:30 | Katharina Gerlach v Caroline Werner | 0-6,3-6 |
| ITF W25 Darmstadt | 2019/06/25 15:45 | Olga Govortsova v Katharina Gerlach | 6-1,6-1 |
| ITF W25 Klosters | 2019/06/19 07:00 | Katharina Gerlach v Joanne Zuger | 4-6,2-6 |
| WTA Nurnberg | 2019/05/19 10:15 | Jana Cepelova v Katharina Gerlach | 3-6,6-4,6-4 |
| WTA Nurnberg | 2019/05/18 12:35 | Katharina Gerlach v Pemra Ozgen | 6-3,6-0 |
| ITF W25 Aschaffenburg | 2019/07/19 15:30 | Anna-Lena Friedsam v Jule Niemeier | 6-7,6-0,3-6 |
| ITF W25 Aschaffenburg | 2019/07/18 12:20 | Natalia Siedliska v Jule Niemeier | 1-6,2-6 |
| ITF W25 Aschaffenburg | 2019/07/17 12:40 | Isabella Pfennig v Jule Niemeier | 1-6,0-6 |
| ITF W60 Versmold | 2019/07/13 15:30 | Nina Stojanovic v Jule Niemeier | 6-4,6-3 |
| ITF W60 Versmold | 2019/07/12 16:30 | Irina Maria Bara v Jule Niemeier | 2-6,3-6 |
| ITF W60 Versmold | 2019/07/10 13:55 | Jule Niemeier v Anastasia Detiuc | 7-5,6-0 |
| ITF W25 Darmstadt | 2019/06/27 16:00 | Marina Melnikova v Jule Niemeier | 4-6,6-1,2-6 |
| ITF W25 Darmstadt | 2019/06/26 14:15 | Jule Niemeier v Manon Arcangioli | 6-4,6-3 |