Lee Dong-keun (badminton)
Lee Dong-keun is a Korean badminton player specializing in men's singles. He won his first international senior title at the 2011 Vietnam International tournament. In 2016, Lee represented his country compete at the Summer Olympics in Rio de Janeiro, Brazil.
Achievements
BWF World Junior Championships
Boys' singles| Year | Venue | Opponent | Score | Result |
| 2008 | Badminton Hall Shree Shiv Chhatrapati, Pune, India |  Gao Huan | 21–15, 14–21, 13–21 | Bronze |
BWF World Tour
The BWF World Tour, announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments, sanctioned by Badminton World Federation. The BWF World Tour are divided into six levels, namely World Tour Finals, Super 1000, Super 750, Super 500, Super 300, and the BWF Tour Super 100.Men's singles
| Year | Tournament | Level | Opponent | Score | Result |
| 2018 | U.S. Open | Super 300 |  Mark Caljouw | 14–21, 21–17, 21–16 | Winner |
BWF Grand Prix
The BWF Grand Prix has two levels: Grand Prix Gold and Grand Prix. It is a series of badminton tournaments, sanctioned by Badminton World Federation since 2007.Men's singles
| Year | Tournament | Opponent | Score | Result |
| 2015 | Mexico City Grand Prix |  Pannawit Thongnuam | 19–21, 21–13, 21–12 | Winner |
| 2015 | Korea Masters |  Lee Hyun-il | 17–21, 21–14, 21–14 | Winner |
| 2014 | Korea Masters | Lee Hyun-il | 21–18, 24–22 | Winner |
| 2012 | Korea Masters | Tanongsak Saensomboonsuk | 21–17, 21–14 | Winner |
BWF International Challenge/Series
Men's singles| Year | Tournament | Opponent | Score | Result |
| 2011 | Vietnam International |  Ashton Chen Yong Zhao | 18–21, 21–17, 21–19 | Winner |