Stadion: Indoor 22 Round: 25 Ground: Hardcourt outdoor
| ITF - W15 - Alcalá De Henares | 2023/11/23 10:55 | Cristina R Sierra v Ekaterina Kazionova | 3-6,4-6 |
| ITF - W15 - Alcalá De Henares | 2023/11/22 14:00 | Cristina R Sierra v Cayetana Gay | 6-4,6-4 |
| ITF - M15 - Alcalá De Henares | 2023/11/21 08:00 | June Bjork v Cristina R Sierra | 6-2,4-6,8-10 |
| ITF - M15 - Alcalá De Henares | 2023/11/20 11:30 | Cristina R Sierra v Viktoria Lackova | 6-2,6-2 |
| ITF Damen - W60 - Hamburg | 2023/10/18 11:20 | Anna Gabric v Anna Klasen | 1-6,6-2,6-3 |
| ITF Damen - W60 - Hamburg | 2023/10/16 13:50 | Marie Villet v Anna Klasen | 3-6,2-6 |
| ITF Damen - W60 - Hamburg | 2023/10/15 12:25 | Karla Bartel v Anna Klasen | 3-6,6-7 |
| ITF Frauen - W25 - Santa Margherita | 2023/09/25 10:25 | Laura Hietaranta v Anna Klasen | 6-2,6-3 |
| ITF Damen - W60 - Wien | 2023/09/04 09:00 | Chiara Scholl v Anna Klasen | 6-2,6-2 |
| ITF Damen - W40 - Oldenzaal | 2023/08/30 16:50 | Merel Hoedt v Anna Klasen | 6-2,6-1 |
| ITF Damen - W40 - Oldenzaal | 2023/08/29 07:30 | Marine Partaud v Anna Klasen | 6-4,4-6,4-6 |
| ITF Damen - W40 - Oldenzaal | 2023/08/28 08:00 | Emma Van Poppel v Anna Klasen | 2-6,0-6 |