Stadium: Court 3 Round: 54 Ground: Hardcourt indoor
| ITF W80 - Wiesbaden | 2021/09/23 08:30 | Anna Klasen v Federica Di Sarra | 4-6,5-7 |
| ITF W80 - Wiesbaden | 2021/09/22 08:30 | Yana Morderger v Anna Klasen | 7-6,1-6,3-6 |
| ITF W15 - Dijon | 2021/09/15 08:00 | Alina Granwehr v Anna Klasen | 6-2,6-4 |
| ITF W15 - Dijon | 2021/09/14 11:00 | Karen Marthiens v Anna Klasen | 1-6,1-6 |
| ITF W25 - Braunschweig | 2021/08/29 09:00 | Anna Klasen v Nastasja Schunk | 3-6,1-6 |
| ITF W25 - Braunschweig | 2021/08/28 10:10 | Dalila Jakupovic v Anna Klasen | 6-3,0-6,2-6 |
| ITF W25 - Braunschweig | 2021/08/27 16:50 | Anna Klasen v Tayisiya Morderger | 7-6,6-2 |
| ITF W25 - Braunschweig | 2021/08/25 13:00 | Anna Klasen v Tamira Paszek | 6-2,6-3 |
| ITF W15 - Cairo | 2021/09/10 08:00 | Julia Stamatova v Anita Bertoloni | 6-4,6-3 |
| ITF W15 - Cairo | 2021/09/09 10:50 | Agustina Chlpac v Anita Bertoloni | 1-6,2-6 |
| ITF W15 - Cairo | 2021/09/08 11:35 | Farah Khalil v Anita Bertoloni | 0-6,3-6 |
| ITF W15 - Cairo | 2021/08/31 08:00 | Anita Bertoloni v Irene Lavino | 3-6,1-6 |
| ITF W25 - Pescara | 2021/08/01 07:00 | Irene Lavino v Anita Bertoloni | 6-2,6-4 |
| ITF W15 - Cordenons | 2021/07/27 07:30 | Anita Bertoloni v Enola Chiesa | 4-6,6-7 |
| ITF W15 - Cordenons | 2021/07/26 07:00 | Anita Bertoloni v Giulia Carbonaro | 6-2,6-0 |
| ITF W25 - Tarvisio | 2021/07/14 11:00 | Anita Bertoloni v Fiona Ganz | 4-6,2-6 |