Stadium: Aterno Gas & Power Round: 26 Ground: Clay
| ITF W15 L'Aquila | 2021/06/22 16:05 | Sofia Milatova v Emily Seibold | 4-6,1-6 |
| ITF W25 Jonkoping | 2021/06/14 08:10 | Darya Astakhova v Emily Seibold | 6-2,6-0 |
| ITF W25 Jonkoping | 2021/06/13 13:00 | Nathalie Johansson v Emily Seibold | 2-6,3-6 |
| ITF W15 Heraklion | 2021/06/11 07:00 | Emily Seibold v Jessica Bouzas Maneiro | 2-6,1-6 |
| ITF W15 Heraklion | 2021/06/10 08:00 | Julia Stamatova v Emily Seibold | 2-6,0-6 |
| ITF W15 Heraklion | 2021/06/09 08:00 | Andreea Alexandra Lila v Emily Seibold | 3-6,1-6 |
| ITF W15 Heraklion | 2021/05/20 06:30 | Emily Seibold v Eva Lys | 4-6,1-6 |
| ITF W15 Heraklion | 2021/05/19 06:30 | Franziska Sziedat v Emily Seibold | 4-6,2-6 |
| ITF W15 L'Aquila | 2021/06/23 08:30 | Caijsa W Hennemann v Natalia Siedliska | 2-6,4-6 |
| ITF W15 Antalya | 2021/06/08 08:40 | Natalia Siedliska v Anet A Koskel | 6-2,6-0 |
| ITF W15 Antalya | 2021/06/04 07:25 | Manon Arcangioli v Natalia Siedliska | 7-6,2-6,6-2 |
| ITF W15 Antalya | 2021/06/03 07:30 | Vivien Sandberg v Natalia Siedliska | 2-6,3-6 |
| ITF W15 Antalya | 2021/06/01 07:00 | Iman Khan v Natalia Siedliska | 6-4,0-6,1-6 |
| ITF W15 Antalya | 2021/05/12 08:40 | Caijsa W Hennemann v Natalia Siedliska | 7-5,7-5 |
| 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 |