Sung Han-kook (; born November 19, 1963) is a former badminton player and coach from South Korea.
In 1989, Sung married two-time All England winner Kim Yun-ja. Sung and Kim's daughter Sung Ji-hyun is also a badminton player.
After retiring, Sung had a long career as a coach, both for Korean professional teams and for the national team. He became the head coach of the national team in December 2010 and held the post until he was dismissed in August 2012 following a match-throwing scandal at the London Olympics.
1986 | Olympic Gymnastics Arena, Seoul, South Korea | Yang Yang | 7–15, 14–17 | Bronze |
1983 | Netaji Indoor Stadium, Calcutta, India | Yoo Byung-hwan | He Shangquan Jiang Guoliang | 15–18, 4–15 | Silver |
Men's doubles
1983 | Malaysia Open | Park Joo-bong | Bobby Ertanto Christian Hadinata | 10–15, 5–15 | Runner-up |
1988 | French Open | Park Joo-bong | Razif Sidek Jalani Sidek | 15–8, 12–15, 15–12 | Winner |
Men's singles
1985 | Denmark Open | Morten Frost | 4–15, 5–15 | Runner-up |
1986 | U.S. Open | Mike Butler | 15–3, 15–9 | Winner |
Men's doubles
1989 | Hungarian International | Shon Jin-hwan | Andrey Antropov Sergey Sevryukov | 15–11, 15–11 | Winner |
Mixed doubles
1989 | Hungarian International | Chung Myung-hee | Shon Jin-hwan Chung So-young | 9–15, 15–10, 15–4 | Winner |
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