Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF W15 - Monastir | 2021/07/21 09:45 | Marie Villet v Katja Wiersholm | 4-6,4-6 |
| ITF W15 - Monastir | 2021/07/20 08:30 | Marianne Argyrokastriti v Katja Wiersholm | 4-6,6-3,7-10 |
| ITF W15 - Monastir | 2021/07/19 10:30 | Zoe Bourbotte v Katja Wiersholm | 2-6,3-6 |
| ITF W15 - Monastir | 2021/07/18 14:30 | Lexington Reed v Katja Wiersholm | 2-6,0-6 |
| ITF W25 - Sumter | 2021/06/14 13:00 | Erika Sema v Katja Wiersholm | 7-5,6-1 |
| ITF W25 - Santo Domingo | 2021/05/30 17:00 | Mihaela Djakovic v Katja Wiersholm | 6-3,6-2 |
| ITF W15 - Cancun | 2020/03/09 19:30 | Katja Wiersholm v Kariann Pierre-Louis | 1-6,1-6 |
| ITF W15 - Cancun | 2020/03/09 17:00 | Madison Bourguignon v Katja Wiersholm | 6-7,3-6 |
| ITF W15 - Monastir | 2021/07/21 10:15 | Alice Gillan v Federica Prati | 6-1,6-3 |
| ITF W15 - Monastir | 2021/07/13 11:15 | Anastasia E Nefedova v Alice Gillan | 7-6,6-1 |
| ITF W15 - Monastir | 2021/07/08 11:30 | Anastasia E Nefedova v Alice Gillan | 6-4,7-5 |
| ITF W15 - Monastir | 2021/07/06 10:50 | Chiara Catini v Alice Gillan | 4-6,4-6 |
| ITF W15 - Monastir | 2021/06/10 08:25 | Alice Gillan v Alice Robbe | 2-6,1-6 |
| ITF W15 - Monastir | 2021/06/08 10:40 | Mouna Bouzgarrou v Alice Gillan | 3-6,0-6 |
| ITF W15 - Monastir | 2021/06/03 08:30 | Alice Gillan v Himeno Sakatsume | 4-6,1-6 |
| ITF W15 - Monastir | 2021/06/01 13:30 | Alice Gillan v Anja Wildgruber | 5-7,6-4,6-3 |