Stadium: Court 21 Round: 25 Ground: Clay
| ITF - W15 Antalya | 2021/05/11 07:00 | Caijsa W Hennemann v Arianna Zucchini | 6-7,7-5,10-6 |
| ITF - W15 Antalya | 2021/05/10 07:00 | Caijsa W Hennemann v Zineb El Ouazzani | 6-0,6-1 |
| ITF - W15 Antalya | 2021/05/09 07:00 | Caijsa W Hennemann v Aksu, Semra | 6-1,6-1 |
| ITF - W15 Antalya | 2021/05/07 07:00 | Polina Leykina v Caijsa W Hennemann | 6-3,6-0 |
| ITF - W15 Antalya | 2021/05/06 09:40 | Caijsa W Hennemann v Uslu, Ozlem | 6-1,6-1 |
| ITF - W15 Antalya | 2021/05/05 09:35 | Caijsa W Hennemann v Diana Demidova | 6-4,6-0 |
| ITF - W15 Antalya | 2021/05/04 07:00 | Caijsa W Hennemann v Romana Cisovska | 6-4,5-7,10-4 |
| ITF - W15 Antalya | 2021/05/03 07:00 | Caijsa W Hennemann v Kaul, Maria Lota | 6-4,6-3 |
| 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 Astakhova, Darya | 6-1,2-6,5-10 |
| UTR Pro Tennis Series France Women | 2020/09/12 12:00 | Natalia Siedliska v Morgina, Anna | 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 |