Ko Sung-hyun
Lee Yong-dae started the year with his new partner Ko Sung-hyun winning the Korea Open against Mathias Boe and Carsten Mogensen 19–21, 21–13, 21–10. They then entered the Malaysia Open and placed second losing to Indonesian pairs Mohammad Ahsan and Hendra Setiawan 15–21, 13–21. After the Malaysian Open, the pair failed to perform losing 14–21, 14–21 to Liu Xiaolong and Qiu Zihan of China in the quarter-finals of the German Open. A week later, the pair lost again in round one of the All England Open to unseeded German Pair Ingo Kindervater and Johannes Schoettler 21–23, 18–21. At the India Open in April, the pair lost in the final to Liu Xiaolong and Qiu Zihan of China 20–22, 18–21.