Stadium: Court 1 Round: 26 Ground: Clay
| ITF W25 - Aschaffenburg | 2019/07/17 11:00 | Alexandra Vecic v Natalia Siedliska | 4-6,1-6 |
| ITF W25 - Darmstadt | 2019/06/24 12:15 | Natalia Siedliska v Tayisiya Morderger | 6-7,1-6 |
| ITF W25 - Darmstadt | 2019/06/24 08:00 | Natalia Siedliska v Natalie Proese | 6-3,3-6,16-14 |
| ITF W25 - Hongkong | 2019/05/28 10:25 | Natalia Siedliska v Yui Chikaraishi | 3-6,2-6 |
| ITF W25 - Karuizawa | 2019/05/21 06:20 | Natalia Siedliska v Xiaodi You | 2-6,6-4,6-4 |
| ITF W25 Singapore | 2019/05/16 03:55 | Valeria Savinykh v Natalia Siedliska | 7-6,6-1 |
| ITF W25 Singapore | 2019/05/15 03:25 | Nikita Uberoi v Natalia Siedliska | 1-6,4-6 |
| ITF W25 Osprey | 2019/04/24 14:30 | Natalia Siedliska v Victoria Rodriguez | 7-6,2-6,6-2 |
| 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 |
| ITF W25 - Darmstadt | 2019/06/24 16:00 | Jule Niemeier v Lena Lutzeier | 6-3,6-3 |
| ITF W25 - Darmstadt | 2019/06/24 08:00 | Jule Niemeier v Kristina Milenkovic | 6-3,6-3 |