Stadium: Court 17 Round: 25 Ground: Clay
| ITF W15 Antalya | 2021/05/04 09:10 | Natalia Siedliska v Ekaterina Shalimova | 6-4,0-6,5-7 |
| ITF W15 Cairo | 2021/04/28 08:00 | Zoe Kruger v Natalia Siedliska | 6-3,6-4 |
| ITF W15 Sharm El Sheikh | 2021/03/31 07:00 | Ya-Hsuan Lee v Natalia Siedliska | 6-3,6-2 |
| ITF W15 Sharm El Sheikh | 2021/03/24 09:00 | Elena-Teodora Cadar v Natalia Siedliska | 6-3,6-2 |
| UTR Pro Tennis Series France Women | 2020/09/14 14:30 | Natalia Siedliska v Darya Astakhova | 6-1,2-6,5-10 |
| UTR Pro Tennis Series France Women | 2020/09/12 12:00 | Natalia Siedliska v Anna Morgina | 6-1,6-1 |
| UTR Pro Tennis Series France Women | 2020/09/12 07:00 | Natalia Siedliska v Gaelle Desperrier | 3-6,4-6 |
| UTR Pro Tennis Series France Women | 2020/09/11 12:30 | Natalia Siedliska v Oleksandra Oliynykova | 6-1,6-4 |
| ITF W15 Haabneeme | 2020/11/17 09:15 | Anet A Koskel v Elisabeth Iila | 1-6,3-6 |
| ITF W15 Haabneeme | 2020/11/16 08:00 | Natalie Augustinova v Anet A Koskel | 4-6,6-2,10-12 |
| ITF W15 Parnu | 2019/11/04 10:00 | Vilena Petrova v Anet A Koskel | 6-1,7-6 |
| ITF W15 Parnu | 2019/07/15 11:00 | Margarita Ignatjeva v Anet A Koskel | 4-6,6-2,10-8 |
| ITF Women Tampere Qual | 2018/07/22 08:40 | Ksenia Kolesnikova v Anet A Koskel | 6-3,2-6,6-4 |