Stadium: Court 6 Round: 54 Ground: Clay
| ITF W25 Darmstadt | 2019/06/24 12:15 | Natalia Siedliska v Tayisiya Morderger | 6-7,1-6 |
| ITF Women Rotterdam | 2018/08/24 08:00 | Tayisiya Morderger v Natalia Siedliska | 6-1,4-6,1-6 |
| ITF W25 Bytom | 2019/07/24 14:05 | Natalia Siedliska v Maja Chwalinska | 2-6,2-6 |
| ITF W25 Aschaffenburg | 2019/07/18 12:20 | Natalia Siedliska v Jule Niemeier | 1-6,2-6 |
| 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 Hong Kong | 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 W60 Hechingen | 2019/08/05 16:55 | Mia Mack v Tayisiya Morderger | 2-6,1-6 |
| ITF W25 Woking | 2019/07/31 12:20 | Tayisiya Morderger v Sarah Beth Grey | 6-1,6-7,3-6 |
| ITF W25 Woking | 2019/07/29 15:25 | Yana Morderger v Tayisiya Morderger | 2-6,2-6 |
| ITF W25 Woking | 2019/07/29 10:25 | Victoria Subev v Tayisiya Morderger | 2-6,2-6 |
| ITF W60 Prague | 2019/07/23 10:00 | Nicoleta-Catalina Dascalu v Tayisiya Morderger | 4-6,6-1,10-6 |
| ITF W60 Prague | 2019/07/22 10:45 | Kristina Milenkovic v Tayisiya Morderger | 0-6,2-6 |
| ITF W25 Olomouc | 2019/07/19 08:00 | Johana Markova v Tayisiya Morderger | 6-2,6-4 |
| ITF W25 Olomouc | 2019/07/18 08:00 | Yana Morderger v Tayisiya Morderger | 3-6,3-6 |