| Indonesia Masters XD | 01/25 09:10 | 4 | Lu K / Zheng S v Zhang N / Liu X X | L | 0-2 | |
| German Open 2019, WD, Qualification | 01/24 13:40 | 5 | Lu K / Zheng S v Gunawan H A / Kido M | W | 2-0 | |
| German Open 2019, WD, Qualification | 01/23 05:40 | 1 | Lu K / Zheng S v Parlindungan Man M F A / Purnama R D | W | 2-0 | |
| All England Open | 06/14 07:50 | 5 | Gunawan H A / Kido M v Lu K / Zheng S | - | Walkover | |
| California Int. Women | 03/10 21:10 | 3 | Conrad-P. / Kolding v Lu K / Zheng S | L | 2-1 | |
| California Int. Women | 03/09 13:00 | 4 | Ahsan M / Saputro R A v Lu K / Zheng S | W | 1-2 | |
| California Int. Women | 03/08 11:40 | 5 | Lu K / Zheng S v 보에 M/모겐슨 C | W | 2-0 | |
| All England Open | 03/03 15:50 | 3 | 아스트루프 K / 라스무센 A S v Lu K / Zheng S | L | 2-1 | |
| All England Open | 03/02 14:20 | 4 | 이 A / 리 S v Lu K / Zheng S | W | 0-2 | |
| All England Open | 03/01 17:15 | 5 | Dierickx M / Golinski F v Lu K / Zheng S | W | 0-2 | |
| California Int. Women | 11/24 05:30 | 4 | 카무라 T/소노다 K v Lu K / Zheng S | L | 2-1 | |
| California Int. Women | 11/23 13:40 | 5 | Lu K / Zheng S v 기드온 M F / 수카물조 K S | W | 2-1 |