| Korea Masters MD | 11/08 06:20 | 5 | Goh/Izzuddin v Choi S / Kim W H | L | 2-1 | |
| Korea Masters 2019, MD, Qualification | 11/07 04:30 | 3 | An/Park v Choi S / Kim W H | W | 1-2 | |
| Open de France - Doubles Hommes | 10/24 10:00 | - | Grimley/Grimley v Choi S / Kim W H | - | CANC | |
| Denmark Open MD | 10/17 07:00 | 5 | He/Ren v Choi S / Kim W H | - | Walkover | |
| Fuzhou China Open 2019, MD | 09/06 09:05 | 5 | Choi S / Kim W H v Chia/Soh | L | 0-2 | |
| World Championships MD | 08/23 08:00 | 5 | Man/Tee v Choi S / Kim W H | - | Walkover | |
| Indonesia Open MD | 06/15 05:40 | 4 | Choi S / Kim W H v Chia/Soh | L | 0-2 | |
| Indonesia Open MD | 06/14 12:30 | 5 | Su/Ye v Choi S / Kim W H | - | away | |
| Singapore Open MD | 06/10 13:30 | 2 | Hoki/Kobayashi v Choi S / Kim W H | L | 2-0 | |
| Singapore Open MD | 06/09 13:45 | 3 | Ong/Teo v Choi S / Kim W H | W | 1-2 | |
| Singapore Open MD | 06/08 12:55 | 4 | Choi S / Kim W H v Ahsan/Setiawan | W | 2-0 | |
| Singapore Open MD | 06/07 13:25 | 5 | Choi S / Kim W H v Dunn/Hall | W | 2-0 |