| Polish Open Women Qual | 2024/03/20 12:40 | 라소, 클라라 v Frederikke Ostergaard | W | 1-2 |
| Dutch Int. Women | 2024/03/15 14:20 | Petra Maixnerova v Frederikke Ostergaard | L | 2-0 |
| Dutch Int. Women | 2024/03/15 10:10 | Frederikke Ostergaard v 라소, 클라라 | W | 2-1 |
| Swedish Open Women | 2024/01/19 16:40 | Frederikke Ostergaard v Devika Sihag | L | 1-2 |
| Swedish Open Women | 2024/01/19 11:20 | 포포프스카, 흐리스토미라 v Frederikke Ostergaard | W | 1-2 |
| Spanish Int. Women | 2023/11/16 08:20 | Sofie Karmann v Frederikke Ostergaard | L | 2-0 |
| Spanish Int. Women | 2023/11/14 15:00 | 쉬, 웨이 v Frederikke Ostergaard | W | 1-2 |
| Hungarian Int. Women | 2023/11/02 16:15 | 슈니더, 밀레나 v Frederikke Ostergaard | L | 2-0 |
| Iceland Int. Women Qual | 2024/01/25 19:30 | Pissi, Ioanna v Johannsdottir, Juliana Karitas | L | 1-2 |
| Israel Open Women | 2022/10/28 07:40 | Pissi, Ioanna v 펠루피시, 두니아 | L | 0-2 |
| Bulgarian Int. Women | 2022/10/07 08:35 | 소티루, 그라마툴라 v Pissi, Ioanna | L | 2-0 |
| Cyprus Int. Women | 2021/10/15 13:35 | Pissi, Ioanna v Neiman, Heli | L | 0-2 |
| Bulgarian Int. Women Qual | 2021/10/07 11:00 | Pissi, Ioanna v Curtin, Lisa | L | 0-2 |
| Hellas Int. Women Qual | 2021/09/02 13:00 | Theodora Fragoulidou v Pissi, Ioanna | W | 0-2 |
| Swedish Open Women Qual | 2020/01/16 13:40 | 토프트, 프레데릭케 v Pissi, Ioanna | L | 2-0 |