Stadium: Court 19 Round: 26 Ground: Clay
| ITF W15 Hilton Head | 2021/10/07 14:20 | Joelle Kissell v Katja Wiersholm | 5-7,4-6 |
| ITF W15 Hilton Head | 2021/10/07 13:00 | Joelle Kissell v Katja Wiersholm | 5-7,4-5 |
| ITF W15 Monastir | 2021/07/28 09:55 | Katja Wiersholm v Katarina Kozarov | 1-6,2-6 |
| ITF W15 Monastir | 2021/07/27 09:00 | Gianna Pielet v Katja Wiersholm | 1-6,3-6 |
| ITF W15 Monastir | 2021/07/26 10:30 | Margaux Komano v Katja Wiersholm | 3-6,5-7 |
| ITF W15 Monastir | 2021/07/23 10:35 | Dalayna Hewitt v Katja Wiersholm | 6-4,6-2 |
| ITF W15 Monastir | 2021/07/22 11:40 | Katja Wiersholm v Alice Gillan | 6-2,6-2 |
| ITF W15 Monastir | 2021/07/21 09:45 | Marie Villet v Katja Wiersholm | 4-6,4-6 |
| ITF W15 Hilton Head | 2021/10/07 13:10 | Emily Ruckno v Magdalini Adaloglou | 4-6,6-4,6-4 |