| WTT Feeder Cappadocia WD | 09/19 07:00 | 3 | Sato/Shibata v Yoo/Choi | L | 3-1 | |
| WTT Feeder Cappadocia WD | 09/18 10:20 | 4 | Gonzalez/Obando v Yoo/Choi | W | 0-3 | |
| WTT Feeder Istanbul WD | 09/14 14:40 | 2 | Varady/Kukulkova v Yoo/Choi | L | 3-0 | |
| WTT Feeder Istanbul WD | 09/14 07:00 | 3 | Yoo/Choi v Panfilova/Tailakova | W | 3-1 | |
| WTT Feeder Istanbul WD | 09/13 10:35 | 4 | Yoo/Choi v Rahimi/Ashtari | W | 3-0 | |
| WTT Contender Skopje WD | 06/13 16:50 | 3 | Yoo/Choi v Huang/Cheng | L | 0-3 | |
| WTT Contender Skopje WD | 06/12 16:40 | 4 | Rakovac/Jeger v Yoo/Choi | W | 0-3 | |
| WTT Feeder Cappadocia WD | 02/19 12:35 | 4 | Choi/Yoo v Qin/Zong | L | 0-3 | |
| WTT Feeder Dusseldorf WD | 02/13 09:50 | 3 | Rakovac/Jeger v Choi/Yoo | L | 3-1 | |
| WTT Feeder Dusseldorf WD | 02/12 18:25 | 4 | Strassburger/Rad v Choi/Yoo | W | 0-3 | |
| WTT Star Contender Bangkok WD | 07/04 09:00 | 4 | Yoo/Choi v Kedren/Puavaranukroh | L | 0-3 | |
| WTT Feeder Doha II WD | 10/18 07:50 | 3 | Kukulkova/Matelova v Choi/Yoo | - | Walkover |