| German Open 2019, WD, Qualification | 01/23 06:20 | 1 | Lansac, Delphine v Kjaersfeldt, L. H. | L | Retired | |
| Indonesia Masters XD | 01/17 07:30 | 5 | 진다폴, 니체온 v Lansac, Delphine | L | 2-0 | |
| German Open 2019, WD, Qualification | 01/16 02:30 | 1 | Lansac, Delphine v 호 옌 메이 | W | 2-1 | |
| Giraldilla Int. XD | 01/10 11:00 | 5 | Lansac, Delphine v 초추원, 포르노파위 | L | 0-2 | |
| Indonesia Masters XD | 11/23 14:00 | 5 | 길무르, 키르스티 v Lansac, Delphine | L | 2-0 | |
| Indonesia Masters XD | 11/01 08:45 | 5 | Ramadini, Hanna v Lansac, Delphine | L | 2-0 | |
| French Open Women | 10/25 16:10 | 5 | Lansac, Delphine v 야마구치, 아아네 | L | 0-2 | |
| German Open 2019, WD, Qualification | 10/24 15:20 | 1 | Lansac, Delphine v 리, 미첼 | W | 2-1 | |
| German Open 2019, WD, Qualification | 10/24 11:20 | 1 | 아주르멘디, 클라라 v Lansac, Delphine | W | 1-2 | |
| Dutch Open Women | 10/12 14:35 | 4 | Suzuki, Haruko v Lansac, Delphine | L | 2-1 | |
| Dutch Open Women | 10/11 17:40 | 5 | Lansac, Delphine v Kate Ludik | W | 2-1 | |
| Giraldilla Int. XD | 09/30 08:10 | 1 | Lansac, Delphine v 이지트 네슬리한 | L | 1-2 | |
| Giraldilla Int. XD | 09/29 16:00 | 1 | Lansac, Delphine v Heim, Luise | W | 2-1 | |
| German Open 2019, WD, Qualification | 09/29 08:40 | 1 | 아주르멘디, 클라라 v Lansac, Delphine | W | 0-2 | |
| German Open 2019, WD, Qualification | 09/28 12:30 | 1 | Yang, Li Lian v Lansac, Delphine | W | 0-2 | |
| Giraldilla Int. XD | 09/15 09:00 | 1 | 코랄레스, 비트리즈 v Lansac, Delphine | L | 2-0 | |
| Giraldilla Int. XD | 09/14 15:30 | 1 | Heim, Luise v Lansac, Delphine | W | 0-2 | |
| Giraldilla Int. XD | 09/14 10:00 | 1 | 버치, 클로에 v Lansac, Delphine | W | 1-2 | |
| All England Open | 08/21 14:00 | 6 | Lansac, Delphine v 코세츠카야, 예브게니야 | L | 0-2 | |
| Indonesia Masters XD | 04/27 18:30 | 4 | Lansac, Delphine v Kjaersfeldt, L. H. | L | 1-2 | |
| Indonesia Masters XD | 04/26 11:45 | 5 | Lansac, Delphine v 탄 리안 | W | 2-1 | |
| Indonesia Masters XD | 04/25 17:45 | 6 | 사로시, 로라 v Lansac, Delphine | W | 0-2 | |
| Giraldilla Int. XD | 04/01 10:00 | 1 | Lansac, Delphine v 길무르, 키르스티 | L | Retired | |
| Giraldilla Int. XD | 03/31 13:45 | 1 | 추아 , 후이 젠 그라스 v Lansac, Delphine | W | 0-2 | |
| All England Open | 03/15 16:50 | 5 | Lansac, Delphine v 장, 이만 | L | 0-2 | |
| California Int. Women | 03/08 16:00 | 5 | 데프레즈, 파비엔 v Lansac, Delphine | L | 2-1 | |
| Indonesia Masters XD | 03/07 19:30 | - | Lansac, Delphine v 메인아키, 라이니 알레산드르 | W | 2-0 | |
| Indonesia Masters XD | 03/07 14:37 | - | 이, 찌아 신 v Lansac, Delphine | W | 0-2 | |
| Indonesia Masters XD | 02/15 10:45 | - | Lansac, Delphine v 제치리, 린다 | W | 2-0 | |
| Giraldilla Int. XD | 01/15 10:30 | - | 폴리카르포바 크세니아 v Lansac, Delphine | W | 0-2 |