| Belgian International 2019, WS, Qualification | 2023/09/13 07:45 | Veda Diemel v Lien Lammertyn | W | 0-2 |
| Dutch Int. - Femmes - Qualif. | 2023/04/13 17:20 | Vlada Ginga v Lien Lammertyn | L | 2-0 |
| Dutch Int. - Femmes - Qualif. | 2023/04/13 10:50 | Anja Strausak v Lien Lammertyn | W | 0-2 |
| Irish Open Women Qual | 2022/11/16 14:15 | Weronika Gorniak v Lien Lammertyn | L | 2-0 |
| Dutch Open (GP) 2017, Women Qualification | 2022/10/12 07:35 | Miranda Wilson v Lien Lammertyn | L | 2-0 |
| Croatian Int. Women Qual | 2022/09/29 14:00 | Lucie Krulova v Lien Lammertyn | L | 2-0 |
| Nouvelle-Aquitaine Int. Women | 2022/08/26 08:45 | Lien Lammertyn v Cecilia Wang | L | 0-2 |
| Open du Luxembourg - Femmes - Qualif. | 2022/05/05 19:00 | Lien Lammertyn v Cloe Brand | L | 0-2 |
| Belgian International 2019, WS, Qualification | 2023/09/13 08:00 | Stefanie Nijsse v Sofie Karmann | W | 0-2 |
| Slovenia Future Series Women | 2023/09/08 12:15 | Sofie Karmann v Florentine Schoffski | L | 0-2 |
| Slovenia Future Series Women Qual | 2023/09/07 12:50 | Aurelia Wulandoko v Sofie Karmann | W | 0-2 |
| Denmark Masters Women Qual | 2023/06/08 08:40 | Sofie Karmann v Anna Tatranova | L | 0-2 |
| International d'Islande - Femmes | 2023/01/28 10:45 | Leona Lee v Sofie Karmann | L | 2-0 |
| International d'Islande - Femmes | 2023/01/27 12:30 | Sofie Karmann v Katharina Fink | W | 2-1 |
| Internationaux d'Islande - Femmes - Qualif. | 2023/01/26 17:30 | Sigridur Arnadottir v Sofie Karmann | W | 0-2 |
| Internationaux d'Islande - Femmes - Qualif. | 2023/01/26 14:20 | Sofie Karmann v Vera Appenzeller | W | 2-0 |