| WTT Feeder Parma WD | 12/01 13:55 | 4 | Park/Lee v Choi/Yoo | L | 3-2 | |
| WTT Feeder Dusseldorf II WD | 11/26 16:40 | 2 | Akae/Mende v Choi/Yoo | L | 3-2 | |
| WTT Feeder Dusseldorf II WD | 11/26 09:00 | 3 | Choi/Yoo v Cok/Labosova | W | 3-0 | |
| WTT Feeder Dusseldorf II WD | 11/25 12:50 | 4 | Choi/Yoo v Lee/Park | W | 3-1 | |
| 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 |