Stadium: Court 20 Round: 25 Ground: Clay
| ITF W15 Hilton Head | 2021/10/07 13:00 | Kissell, Joelle v Wiersholm, Katja | 5-7,4-5 |
| ITF W15 Hilton Head | 2021/10/07 13:00 | Kissell, Joelle v Wiersholm, Katja | 5-7,4-5 |
| ITF W25 Evansville | 2021/07/14 16:20 | Kissell, Joelle v Catherine Harrison | 1-6,1-6 |
| ITF W25 Evansville | 2021/07/13 14:00 | Kissell, Joelle v Emma Lella | 3-6,6-2,10-5 |
| ITF W25 Evansville | 2021/07/12 15:00 | Kissell, Joelle v Reimchen, Anastasia | 6-0,6-1 |
| ITF W60 Charleston | 2021/06/21 18:25 | Hourigan, Paige Mary v Kissell, Joelle | 6-1,6-1 |
| ITF W25 Sumter | 2021/06/14 14:30 | Chieh-Yu Hsu v Kissell, Joelle | 6-4,6-3 |
| ITF W60 Rome GA | 2021/01/25 18:20 | Abanda, Francoise v Kissell, Joelle | 7-6,6-1 |
| ITF W15 Cairo | 2020/12/09 15:05 | Kissell, Joelle v Saidenova, Noel | 4-6,2-6 |
| ITF W15 Hilton Head | 2021/10/07 13:00 | Kissell, Joelle v Wiersholm, Katja | 5-7,4-5 |
| ITF - W15 Monastir | 2021/07/28 09:55 | Wiersholm, Katja v Katarina Kozarov | 1-6,2-6 |
| ITF - W15 Monastir | 2021/07/27 09:00 | Pielet, Gianna v Wiersholm, Katja | 1-6,3-6 |
| ITF - W15 Monastir | 2021/07/26 10:30 | Margaux Komano v Wiersholm, Katja | 3-6,5-7 |
| ITF - W15 Monastir | 2021/07/23 10:35 | Dalayna Hewitt v Wiersholm, Katja | 6-4,6-2 |
| ITF - W15 Monastir | 2021/07/22 11:40 | Wiersholm, Katja v Alice Gillan | 6-2,6-2 |
| ITF - W15 Monastir | 2021/07/21 09:45 | Marie Villet v Wiersholm, Katja | 4-6,4-6 |
| ITF - W15 Monastir | 2021/07/20 08:30 | Argyrokastriti, Marianne v Wiersholm, Katja | 4-6,6-3,7-10 |