| Dutch Open Women | 10/10 13:40 | 4 | Line Højmark Kjaersfeldt v Li, Y. | L | 1-2 | |
| Dutch Open Women | 10/09 10:35 | 5 | Line Højmark Kjaersfeldt v Repiska, Martina | W | 2-0 | |
| Korea Open 2019, WS | 09/25 11:10 | 5 | Kim, Hyo Min v Line Højmark Kjaersfeldt | L | 2-0 | |
| Fuzhou China Open 2019, WS | 09/17 10:15 | 5 | Ratchanok Intanon v Line Højmark Kjaersfeldt | L | 2-0 | |
| World Championships Women | 08/20 12:00 | 5 | Line Højmark Kjaersfeldt v Thi Trang Vu | L | 1-2 | |
| Japan Open Women | 07/23 07:00 | 5 | Tunjung, G. M. v Line Højmark Kjaersfeldt | L | 2-0 | |
| Indonesia Open Women | 07/16 07:40 | 5 | Line Højmark Kjaersfeldt v Cheung, Ngan Yi | L | 1-2 | |
| European Games Women | 06/29 10:20 | - | Kjaersfeldt, L. H. v Kirsty Gilmour | L | 1-2 | |
| European Games Women | 06/28 09:30 | - | Kjaersfeldt, L. H. v Yigit, Neslihan | W | 2-1 | |
| European Games Women | 06/27 10:35 | - | Line Kjærsfeldt v Mikkela, Airi | W | 2-0 | |
| European Games Women | 06/25 18:00 | - | Line Kjærsfeldt v Ksenia Polikarpova | W | 2-0 | |
| European Games Women | 06/24 16:00 | - | Line Højmark Kjaersfeldt v Vlada Ginga | W | 2-0 | |
| Denmark Int. Women | 05/11 15:00 | - | Kjaersfeldt, L. H. v Oie, Natsuki | L | 1-2 | |
| Open de Malaisie - Femmes | 04/03 05:30 | 5 | Line Højmark Kjaersfeldt v Bingjiao He | L | 1-2 | |
| Open d'Angleterre | 03/07 14:10 | 4 | Nehwal, Saina v Line Højmark Kjaersfeldt | L | 2-1 | |
| Open d'Angleterre | 03/06 20:15 | 5 | Cai, Y. Y. v Line Højmark Kjaersfeldt | W | 0-2 | |
| Open d'Allemagne - Femmes | 02/27 08:10 | 5 | Nozomi Okuhara v Kjaersfeldt, L. H. | L | 2-0 | |
| Masters d'Espagne - Femmes | 02/24 10:00 | 1 | Line Højmark Kjaersfeldt v Mia Blichfeldt | L | 0-2 | |
| Masters d'Espagne - Femmes | 02/23 11:00 | 2 | Yue Han v Line Højmark Kjaersfeldt | W | 1-2 | |
| Masters d'Espagne - Femmes | 02/22 15:30 | 3 | Line Højmark Kjaersfeldt v Jia Min Yeo | W | 2-0 | |
| Masters d'Espagne - Femmes | 02/21 12:20 | 4 | Line Højmark Kjaersfeldt v Chiang, Ying Li | W | 2-0 | |
| Masters d'Espagne - Femmes | 02/20 14:40 | 5 | Line Højmark Kjaersfeldt v Kosetskaya, E. | W | 2-0 | |
| Giraldilla Int. XD | 02/17 14:00 | - | Kjaersfeldt, L. H. v Yvonne Li | W | 2-0 | |
| Giraldilla Int. XD | 02/13 17:30 | - | Kjaersfeldt, L. H. v Leonice Huet | W | 2-0 | |
| Indonesia Masters XD | 01/23 05:40 | 5 | Fitriani Fitriani v Line Højmark Kjaersfeldt | L | 2-0 | |
| Indonesia Masters XD | 01/17 02:45 | 4 | Tzu Ying Tai v Line Højmark Kjaersfeldt | L | 2-1 | |
| Indonesia Masters XD | 01/16 01:50 | 5 | Line Højmark Kjaersfeldt v Mainaky, Lyanny Alessandra | W | 2-0 | |
| Giraldilla Int. XD | 11/25 14:30 | 1 | Kirsty Gilmour v Line Højmark Kjaersfeldt | L | 2-1 | |
| Giraldilla Int. XD | 11/24 12:30 | 2 | Chen, X. X. v Line Højmark Kjaersfeldt | W | 1-2 | |
| Giraldilla Int. XD | 11/23 17:30 | 3 | De Visch Eijbergen, Soraya v Line Højmark Kjaersfeldt | W | 0-2 |