| Indonesia Masters WD | 10/22 06:20 | 2 | Hirokami/Kato v Kim Y H / Seong A Y | L | 2-1 | |
| Indonesia Masters WD | 10/21 08:20 | 3 | Kim Y H / Seong A Y v Marwah/Nadia | W | 2-1 | |
| Indonesia Masters WD | 10/20 09:40 | 4 | Kim Y H / Seong A Y v Kani/Tang | W | 2-1 | |
| Denmark Masters WD | 06/11 15:00 | - | 융 M N / 융 N T v Kim Y H / Seong A Y | L | 2-0 | |
| Denmark Masters WD | 06/11 09:00 | - | Kim Y H / Seong A Y v Kudsk/Schulz | W | 2-0 | |
| Denmark Masters WD | 06/10 10:20 | - | 안토니센 N P / 그레이브슨 C v Kim Y H / Seong A Y | W | 0-2 | |
| Italian Int. WD | 06/04 10:20 | - | Kim Y H / Seong A Y v Ching Hsu/Ching Lin | L | 0-2 | |
| Italian Int. WD | 06/04 09:00 | - | Kim Y H / Seong A Y v Mayasari/Miantoro | W | 2-0 | |
| Italian Int. WD | 06/03 19:45 | - | Kim Y H / Seong A Y v Jankowska/Wladzinska | W | 2-0 | |
| Italian Int. WD | 06/03 10:20 | - | Magnusson/Nistad v Kim Y H / Seong A Y | - | Walkover | |
| Korea Masters WD | 04/13 03:40 | 5 | Eom H W / Kim M J v Kim Y H / Seong A Y | L | 2-0 | |
| Korea Open WD | 04/08 04:40 | 3 | Kim Y H / Seong A Y v 엠사르드 B / 엠사르드 N | L | 0-2 | |
| German Open 2019, WD, Qualification | 11/27 02:17 | - | 창 Y N / 김 H R v Kim Y H / Seong A Y | L | 2-1 | |
| Indonesia Masters XD | 09/27 03:00 | 4 | 창 T C / 엔지 W Y v Kim Y H / Seong A Y | L | 2-0 | |
| Indonesia Masters XD | 09/26 01:00 | 5 | Kim Y H / Seong A Y v 아리프 M A A L / 리오딩인 R A | W | 2-0 | |
| German Open 2019, WD, Qualification | 09/25 04:30 | - | Kim Y H / Seong A Y v 루 C Y / 양 P H | W | 2-0 | |
| All England Open | 09/14 08:50 | 4 | Kim Y H / Seong A Y v 창 K-C / 이 C C | L | 0-2 | |
| All England Open | 09/13 08:00 | 5 | Kim Y H / Seong A Y v Jeong N E / Park G E | W | 2-0 |