South Korea · Men's doubles and mixed doubles · 2004 to 2019
Born 19 August 1986 · Right-handed · 180 cm
With Lee Yong-dae. Mixed doubles: best 11. World number one in men's doubles for 117 weeks (2014 to 2016). In the weekly top lists of men's doubles for 39 weeks (2012 to 2016), best 1st. In the weekly top lists of mixed doubles for 1 week (2014), best 22nd. Not on the full weekly lists we keep, which start in September 2026.
Highest 1,997. Mixed doubles: 1,685.
Latest: lost to Kenya Mitsuhashi / Y Ogura, Akita Masters 2019, round of 32. Newest on the left.
| Year | Played | Won | Titles |
|---|---|---|---|
| 2019 | 11 | 6 | 0 |
| 2018 | 9 | 3 | 0 |
| 2017 | 14 | 8 | 0 |
| 2016 | 64 | 46 | 4 |
| 2015 | 82 | 64 | 7 |
| 2014 | 80 | 61 | 7 |
| 2013 | 74 | 57 | 5 |
| 2012 | 71 | 43 | 1 |
| 2011 | 76 | 50 | 4 |
| 2010 | 53 | 36 | 5 |
| 2009 | 20 | 10 | 0 |
| 2008 | 9 | 1 | 0 |
| 2007 | 17 | 9 | 0 |
| 2006 | 9 | 3 | 0 |
| 2004 | 10 | 6 | 0 |
Every final won, newest first. Each opens that edition's draw.