Stadium: Loterie Nationale Round: 25 Ground: Hardcourt indoor
| ITF W80 Poitiers | 2021/10/29 12:10 | Kathinka Von Deichmann v Simona Waltert | 4-6,7-5,3-6 |
| ITF W80 Poitiers | 2021/10/28 10:00 | Audrey Albie v Kathinka Von Deichmann | 2-6,6-3,4-6 |
| ITF W80 Poitiers | 2021/10/26 12:20 | Kathinka Von Deichmann v Malene Helgo | 1-6,6-2,6-3 |
| ITF W25 Hamburg | 2021/10/22 14:30 | Kathinka Von Deichmann v Timea Babos | 6-4,2-6,0-6 |
| ITF W25 Hamburg | 2021/10/21 11:30 | Kathinka Von Deichmann v Julia Middendorf | 6-2,6-7,6-2 |
| ITF W25 Hamburg | 2021/10/19 12:55 | Olivia Gadecki v Kathinka Von Deichmann | 2-6,1-6 |
| ITF W60 Bellinzona | 2021/04/05 11:05 | Kathinka Von Deichmann v Ekaterine Gorgodze | 6-7,4-6 |
| ITF W25 Dubai | 2021/04/01 06:25 | Kathinka Von Deichmann v Na-Lae Han | 1-6,6-7 |
| ITF W15 Helsingborg | 2021/11/14 10:00 | Olga Helmi v Caijsa W Hennemann | 6-4,1-6,6-4 |
| ITF W15 Helsingborg | 2021/11/13 10:50 | Olga Helmi v Fanny Ostlund | 6-1,6-3 |
| ITF W15 Helsingborg | 2021/11/12 11:00 | Olga Helmi v Sofia Nami Samavati | 2-6,6-3,6-3 |
| ITF W15 Helsingborg | 2021/11/11 09:00 | Olga Helmi v Julita Saner | 4-6,6-1,6-3 |
| ITF W15 Helsingborg | 2021/11/10 10:10 | Olga Helmi v Naima Karamoko | 6-4,6-4 |
| ITF W25 Hamburg | 2021/10/21 13:50 | Olga Helmi v Antonia Ruzic | 4-6,6-0,0-6 |
| ITF W25 Hamburg | 2021/10/20 12:40 | Anna Zaja v Olga Helmi | 6-7,4-6 |
| ITF W25 Hamburg | 2021/10/18 16:45 | Olga Helmi v Eliessa Vanlangendonck | 6-4,6-1 |