Round: 54 Ground: Clay
| ITF W25 Hong Kong | 2019/04/11 05:15 | Momoko Kobori v Natalia Siedliska | 5-7,6-0,6-2 |
| ITF W25 Hong Kong | 2019/04/09 06:45 | Rutuja Bhosale v Natalia Siedliska | 2-6,3-6 |
| ITF W80 Palm Harbor | 2019/04/02 21:20 | Natalia Siedliska v Safiya Carrington | 5-7,6-0,9-11 |
| ITF W80 Palm Harbor | 2019/04/01 14:55 | Rasheeda McAdoo v Natalia Siedliska | 2-6,6-3,4-10 |
| ITF W25 - Petit-Bourg | 2019/01/16 20:00 | Rasheeda McAdoo v Natalia Siedliska | 7-6,7-6 |
| ITF W25 Hong Kong | 2019/01/08 06:15 | Ling Zhang v Natalia Siedliska | 1-6,6-1,6-1 |
| ITF W25 Hong Kong | 2019/01/08 06:06 | Ling Zhang v Natalia Siedliska | 1-6,6-1,6-1 |
| ITF W25 Hong Kong | 2019/01/01 05:55 | Natalia Siedliska v Yuxuan Zhang | 3-6,6-7 |