| Denmark Masters - Kvinner - Kval | 2022/06/09 10:00 | Sara Boyle v Frederikke Ostergaard | W | 1-2 |
| Slovenia - Future Series - Kvinner - Kval | 2021/11/25 17:10 | Weronika Gorniak v Frederikke Ostergaard | L | 2-1 |
| Denmark Masters - Kvinner | 2021/08/06 11:50 | Frederikke Ostergaard v Line Kjaersfeldt | L | 0-2 |
| Denmark Masters - Kvinner - Kval | 2021/08/05 17:30 | Anna Siess Ryberg v Frederikke Ostergaard | W | 0-2 |
| Denmark Masters - Kvinner - Kval | 2021/08/05 15:00 | Sarah Vishart v Frederikke Ostergaard | W | 0-2 |
| Denmark Masters - Kvinner - Kval | 2021/08/05 15:00 | Sarah Frederikke Vishart v Frederikke Ostergaard | W | 0-2 |
| Denmark Masters - Kvinner - Kval | 2021/08/05 08:00 | Ophelia Casier v Frederikke Ostergaard | W | 0-2 |