| 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 | - | Cancelled | |
| 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 | W | Retired | |
| 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 | |
| Thailand Open MD | 06/03 10:00 | 2 | Fikri/Maulana v Choi S / Kim W H | L | 2-1 | |
| Thailand Open MD | 06/02 10:35 | 3 | Ren X / Tan Q v Choi S / Kim W H | W | 0-2 | |
| Thailand Open MD | 06/01 13:15 | 4 | Choi S / Kim W H v Dunn/Hall | W | 2-1 | |
| Thailand Open MD | 05/31 16:10 | 5 | Choi S / Kim W H v Lee/Yang | W | 2-0 | |
| Malaysia Masters MD | 05/25 09:40 | 4 | Choi S / Kim W H v Chia/Soh | L | 0-2 | |
| Malaysia Masters MD | 05/23 12:45 | 5 | Popov/Popov v Choi S / Kim W H | W | 0-2 | |
| Asia Championships MD | 04/27 14:35 | 4 | Choi S / Kim W H v Liang/Wang | L | 1-2 | |
| Asia Championships MD | 04/26 15:55 | 5 | Choi S / Kim W H v Jomkoh/Kedren | W | 2-0 | |
| Open d'Angleterre - Double Mixtes | 03/15 10:15 | 5 | Dunn/Hall v Choi S / Kim W H | L | 2-0 | |
| Open d'Allemagne - Doubles Hommes | 03/12 14:45 | 1 | Choi S / Kim W H v Kang/Seo | W | 2-1 | |
| Open d'Allemagne - Doubles Hommes | 03/11 17:45 | 2 | Koga/Saito v Choi S / Kim W H | W | 1-2 | |
| Open d'Allemagne - Doubles Hommes | 03/10 19:55 | 3 | Astrup/Rasmussen v Choi S / Kim W H | W | 0-2 | |
| Open d'Allemagne - Doubles Hommes | 03/09 18:00 | 4 | Choi S / Kim W H v Kjaer/Sogaard | W | 2-0 | |
| Open d'Allemagne - Doubles Hommes | 03/08 17:25 | 5 | Choi S / Kim W H v Magee/Reynolds | W | 2-0 | |
| Indonesia Masters MD | 01/24 08:00 | 5 | Matsui/Takeuchi v Choi S / Kim W H | L | 2-1 | |
| Open d'Inde - Doubles Hommes | 01/18 06:00 | 5 | Choi S / Kim W H v Alfian/Ardianto | L | 0-2 | |
| Open de Malaisie - Doubles Hommes | 01/11 03:20 | 5 | Choi S / Kim W H v Rankireddy/Shetty | L | 0-2 | |
| World Tour Finals MD | 12/09 05:40 | 1 | Hoki/Kobayashi v Choi S / Kim W H | W | 0-2 |