South Korea · Men's doubles and mixed doubles · 2007 to 2025
Born 21 May 1987 · Right-handed · 182 cm
With Lee Yong-dae. Mixed doubles: best 1, 22 Sep 2016. World number one in men's doubles for 25 weeks (2013). World number one in mixed doubles for 13 weeks (2016). In the weekly top lists of mixed doubles for 91 weeks (2013 to 2022), best 1st. In the weekly top lists of men's doubles for 56 weeks (2012 to 2022), best 1st. Not on the full weekly lists we keep, which start in September 2026.
Highest 1,950. Mixed doubles: 1,882.
Latest: lost to Dhruv Kapila / Tanisha Crasto, Malaysia Open 2025, round of 32. Newest on the left.
| Year | Played | Won | Titles |
|---|---|---|---|
| 2025 | 1 | 0 | 0 |
| 2024 | 14 | 6 | 0 |
| 2023 | 15 | 4 | 0 |
| 2022 | 18 | 10 | 0 |
| 2021 | 18 | 13 | 1 |
| 2020 | 15 | 6 | 0 |
| 2019 | 50 | 32 | 4 |
| 2018 | 22 | 19 | 2 |
| 2017 | 2 | 0 | 0 |
| 2016 | 123 | 94 | 7 |
| 2015 | 112 | 80 | 6 |
| 2014 | 86 | 57 | 2 |
| 2013 | 99 | 72 | 4 |
| 2012 | 65 | 46 | 3 |
| 2011 | 80 | 52 | 3 |
| 2010 | 58 | 39 | 3 |
| 2009 | 18 | 4 | 0 |
| 2008 | 7 | 4 | 0 |
| 2007 | 9 | 7 | 1 |
Every final won, newest first. Each opens that edition's draw.