Lee Dong-soo
Lee Dong-soo is a former badminton player from South Korea who affiliate with the Samsung Electro-Mechanics.
Competition
Lee competed for Korea in badminton at the 2004 Summer Olympics in men's doubles with partner Yoo Yong-sung. They defeated José Antonio Crespo and Sergio Llopis of Spain in the first round and Luluk Hadiyanto and Alvent Yulianto of Indonesia in the second. In the quarterfinals, Lee and Yoo beat Choong Tan Fook and Lee Wan Wah of Malaysia 11-15, 15-11, 15-9. They won the semifinal against Jens Eriksen and Martin Lundgaard Hansen of Denmark 9-15, 15-5, 15-3 but lost the final to fellow Koreans Kim Dong-moon and Ha Tae-kwon 15-11, 15-4 to finish with the silver medal.Achievements
Olympic Games
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2004 | Goudi Olympic Hall, Athens, Greece |  Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 11–15, 4–15 | Silver |
| 2000 | The Dome, Sydney, Australia | Yoo Yong-sung |  Tony Gunawan Candra Wijaya | 10–15, 15–9, 7–15 | Silver |
World Championships
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 1999 | Brøndby Arena, Copenhagen, Denmark | Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 5–15, 5–15 | Silver |
| 1997 | Scotstoun Centre, Glasgow, Scotland | Yoo Yong-sung | Candra Wijaya Sigit Budiarto | 11–15, 11–15 | Bronze |
World Cup
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 1997 | Yogyakarta, Indonesia | Yoo Yong-sung | Ricky Subagja Rexy Mainaky | 1–15, 15–10, 3–15 | Silver |
Asian Games
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2002 | Gangseo Gymnasium, Busan, South Korea | Yoo Yong-sung |  Pramote Teerawiwatana Tesana Panvisvas | 15–11, 15–6 | Gold |
| 1998 | Thammasat Gymnasium 2, Bangkok, Thailand | Yoo Yong-sung | Pramote Teerawiwatana Siripong Siripool | 17–16, 6–15, 7–15 | Bronze |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 1998 | Thammasat Gymnasium 2, Bangkok, Thailand | Yim Kyung-jin | Kim Dong-moon Ra Kyung-min | 6–15, 8–15 | Silver |
Asian Championships
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2003 | Tennis Indoor Gelora Bung Karno, Jakarta, Indonesia | Yoo Yong-sung | Markis Kido Hendra Setiawan | 15–10, 15–11 | Gold |
East Asian Games
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 1997 | Busan, South Korea | Yoo Yong-sung | Choi Ji-tae Kim Joong-suk | 15–2, 15–4 | Gold |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 1997 | Busan, South Korea | Yim Kyung-jin |  Yang Ming Zhang Jin | 15–11, 15–7 | Gold |
IBF World Grand Prix
The World Badminton Grand Prix sanctioned by International Badminton Federation since 1983.Men's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2003 | Hong Kong Open | Yoo Yong-sung |  Choong Tan Fook Lee Wan Wah | 15–13, 6–15, 15–6 | Winner |
| 2003 | Malaysia Open | Kim Dong-moon | Cai Yun Fu Haifeng | 17–15, 15–11 | Winner |
| 2003 | Korea Open | Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 11–15, 6–15 | Runner-up |
| 2003 | All England Open | Yoo Yong-sung | Sigit Budiarto Candra Wijaya | 7–15, 5–15 | Runner-up |
| 2002 | Indonesia Open | Yoo Yong-sung |  Flandy Limpele Eng Hian | 15–10, 15–11 | Winner |
| 2002 | Korea Open | Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 0–7, 4–7, 0–7 | Runner-up |
| 2002 | Swiss Open | Yoo Yong-sung |  Jens Eriksen Martin Lundgaard Hansen | 5–7, 7–5, 7–2, 7–5 | Winner |
| 2001 | Hong Kong Open | Yoo Yong-sung |  Albertus Susanto Njoto Yau Kwun Yuen | 7–1, 7–2, 7–3 | Winner |
| 2001 | Korea Open | Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 9–15, 4–15 | Runner-up |
| 2000 | Malaysia Open | Yoo Yong-sung | Flandy Limpele Eng Hian | 9–15, 9–15 | Runner-up |
| 2000 | Japan Open | Yoo Yong-sung | Tony Gunawan Candra Wijaya | 6–15, 7–15 | Runner-up |
| 2000 | All England Open | Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 4–15, 15–13, 15–17 | Runner-up |
| 2000 | Korea Open | Yoo Yong-sung | Ricky Subagja Rexy Mainaky | 15–8, 9–15, 15–4 | Winner |
| 1999 | China Open | Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 16–17, 8–15 | Runner-up |
| 1999 | Japan Open | Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 6–15, 4–15 | Runner-up |
| 1999 | All England Open | Yoo Yong-sung | Tony Gunawan Candra Wijaya | 7–15, 5–15 | Runner-up |
| 1999 | Swedish Open | Yoo Yong-sung | Ha Tae-kwon Kim Dong-moon | 11–15, 5–15 | Runner-up |
| 1998 | All England Open | Yoo Yong-sung | Tony Gunawan Candra Wijaya | 15–10, 15–10 | Winner |
| 1997 | Vietnam Open | Yoo Yong-sung | Ricky Subagja Rexy Mainaky | 11–15, 5–15 | Runner-up |
| 1997 | Thailand Open | Yoo Yong-sung | Sigit Budiarto Candra Wijaya | 15–8, 17–14 | Winner |
| 1997 | Singapore Open | Yoo Yong-sung | Sigit Budiarto Candra Wijaya | 8–15, 10–15 | Runner-up |
| 1997 | Indonesia Open | Yoo Yong-sung | Sigit Budiarto Candra Wijaya | 9–15, 10–15 | Runner-up |
| 1997 | Swiss Open | Yoo Yong-sung | Sigit Budiarto Candra Wijaya | 5–15, 15–11, 15–4 | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 1997 | Vietnam Open | Park Soo-yun | Bambang Suprianto Rosalina Riseu | 5–15, 10–15 | Runner-up |
| 1997 | Chinese Taipei Open | Park Soo-yun | Sandiarto Finarsih | 11–15, 8–15 | Runner-up |
IBF International
Men's doubles| Year | Tournament | Partner | Opponent | Score | Result |
| 1999 | Australia International | Ha Tae-kwon | Kim Dong-moon Yoo Yong-sung | 17–14, 9–15, 12–15 | Runner-up |
| 1991 | Hungarian International | Kim Young-gil | Ha Tae-kwon Hwang Sun-ho | 14–17, 15–12, 15–9 | Winner |