| Akita Masters MD | 08/14 01:00 | 5 | Mitsuhashi/Ogura v Lee/Yoo | - | Walkover | |
| Russia Open MD | 07/20 03:00 | 2 | Boe/Petersen v Dae Lee/Yoo | L | 2-1 | |
| Russia Open MD | 07/19 03:40 | 3 | Dae Lee/Yoo v Oshima/Tsukamoto | W | 2-0 | |
| Russia Open MD | 07/18 06:00 | 4 | Yoo/Dae Lee v Garaga/Kapila | W | 2-0 | |
| US Open MD | 07/13 22:00 | 2 | Lee/Seong Yoo v Lee/Wang | L | 1-2 | |
| US Open MD | 07/13 05:00 | 3 | Lee/Yang v Dae Lee/Seong Yoo | W | 1-2 | |
| US Open MD | 07/12 01:45 | 4 | Boe/Petersen v Yoo/Dae Lee | W | 0-2 | |
| US Open MD | 07/10 16:00 | 5 | Lee/Seong Yoo v Sankeerth/Kona | W | Cancelled | |
| Canada Open MD | 07/04 21:45 | 4 | Lee/Yang v Dae Lee/Seong Yoo | L | 2-0 | |
| Canada Open MD | 07/03 19:00 | 5 | Hoshino/Nishikawa v Lee/Seong Yoo | W | 1-2 | |
| Australian Open MD | 06/05 09:40 | 5 | Lee/Yoo v Arya Pangkaryanira/Santoso | L | 1-2 | |
| Australian Open MD Qual | 06/04 01:55 | - | Defolky/Tam v Lee/Yoo | W | 0-2 | |
| Indonesia Masters XD | 12/02 03:40 | 2 | Lee/Seong Yoo v Wook Jung/Kim | L | 1-2 | |
| Indonesia Masters XD | 12/01 08:30 | 3 | Dae Lee/Seong Yoo v Choi/Park | W | 2-0 | |
| Indonesia Masters XD | 11/30 07:30 | 4 | Kang/Lee v Dae Lee/Seong Yoo | W | 1-2 | |
| Indonesia Masters XD | 11/29 05:40 | 5 | Lee/Seong Yoo v Ren/Tan | W | 2-1 | |
| All England Open | 10/02 02:30 | 1 | Lee/Seong Yoo v Li/Liu | W | 2-1 | |
| All England Open | 10/01 02:30 | 2 | Lee/Seong Yoo v Huang/Wang | W | 2-0 | |
| All England Open | 09/30 04:00 | 3 | Lee/Seong Yoo v Kamura/Sonoda | W | 2-1 | |
| All England Open | 09/29 08:09 | - | Dae Lee/Seong Yoo v Liu/Lu | W | 2-0 | |
| All England Open | 09/29 06:50 | 4 | Lee/Yoo v Lu/Liu | W | 2-0 |