Ko Sung-hyun
Ko Sung-hyun is an internationally elite badminton player from South Korea. Ko Sung-hyun is a right-handed player who specializes in doubles events. His current partner in the men's doubles is Shin Baek-cheol.
His best performances to date were at the 2010 Hong Kong Super Series where he won the men's doubles tournament with Yoo Yeong-seong and at the 2010 Paris World Championships where they reached the round of sixteen.
In mixed doubles Ko Sung-hyun and Ha Jung-eun reached the semifinals at the 2010 World Championships where they claimed the bronze medal.
In 2014, Ko won his first Superseries title in mixed doubles with Kim Ha-na at the 2014 Australian Super Series. Ko and Shin Baek-cheol won gold in 2014 BWF World Championships by defeating the first seed and also their own teammates, Lee Yong-dae and Yoo Yeon-seong.
Achievements
BWF World Championships
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2014 | Ballerup Super Arena, Copenhagen, Denmark |  Shin Baek-cheol | Lee Yong-dae Yoo Yeon-seong | 22–20, 21–23, 21–18 | Gold |
| 2011 | Wembley Arena, London, England | Yoo Yeon-seong |  Cai Yun Fu Haifeng | 22–24, 16–21 | Silver |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2010 | Stade Pierre de Coubertin, Paris, France | Ha Jung-eun | Zheng Bo Ma Jin | 21–15, 11–21, 16–21 | Bronze |
Asian Championships
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2013 | Taipei Arena, Taipei, Chinese Taipei | Lee Yong-dae | Kim Gi-jung Kim Sa-rang | 21–13, 22–20 | Gold |
| 2009 | Suwon Indoor Stadium, Suwon, South Korea | Yoo Yeon-seong |  Markis Kido Hendra Setiawan | 18–21, 24–26 | Silver |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2016 | Wuhan Sports Center Gymnasium, Wuhan, China | Kim Ha-na | Zhang Nan Zhao Yunlei | 19–21, 11–21 | Bronze |
| 2013 | Taipei Arena, Taipei, Chinese Taipei | Kim Ha-na | Zhang Nan Zhao Yunlei | 22–20, 21–17 | Gold |
Summer Universiade
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2013 | Tennis Academy, Kazan, Russia | Lee Yong-dae |  Vladimir Ivanov Ivan Sozonov | 13–21, 21–13, 21–13 | Gold |
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 doubles
| Year | Tournament | Level | Partner | Opponent | Score | Result |
| 2019 | U.S. Open | Super 300 | Shin Baek-cheol |  Lee Yang Wang Chi-lin | 21–13, 17–21, 6–3 Retired | Winner |
| 2019 | Australian Open | Super 300 | Shin Baek-cheol |  Takeshi Kamura Keigo Sonoda | 21–11, 21–17 | Winner |
| 2018 | Macau Open | Super 300 | Shin Baek-cheol | Kim Gi-jung Lee Yong-dae | 21–17, 13–21, 19–21 | Runner-up |
| 2018 | Bangka Belitung Indonesia Masters | Super 100 | Shin Baek-cheol | Chang Ko-chi Lu Chia-pin | 21–23, 13–21 | Runner-up |
| 2018 | Vietnam Open | Super 100 | Shin Baek-cheol | Lee Sheng-mu Yang Po-hsuan | 22–20, 21–18 | Winner |
Mixed doubles
| Year | Tournament | Level | Partner | Opponent | Score | Result |
| 2019 | Akita Masters | Super 100 | Eom Hye-won | Kyohei Yamashita Naru Shinoya | 21–10, 21–17 | Winner |
| 2019 | Canada Open | Super 100 | Eom Hye-won | Guo Xinwa Zhang Shuxian | 21–19, 21–19 | Winner |
| 2018 | Korea Masters | Super 300 | Eom Hye-won | Choi Sol-gyu Shin Seung-chan | 21–12, 15–21, 21–18 | Winner |
BWF Superseries
The BWF Superseries, launched on December 14, 2006 and implemented in 2007, is a series of elite badminton tournaments, sanctioned by Badminton World Federation. BWF Superseries has two level such as Superseries and Superseries Premier. A season of Superseries features twelve tournaments around the world, which introduced since 2011, with successful players invited to the Superseries Finals held at the year end..
Men's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2016 | Japan Open | Kim Gi-jung | Li Junhui Liu Yuchen | 12–21, 12–21 | Runner-up |
| 2015 | Indonesia Open | Shin Baek-cheol | Fu Haifeng Zhang Nan | 21–16, 16–21, 21–19 | Winner |
| 2013 | China Masters | Lee Yong-dae | Hiroyuki Endo Kenichi Hayakawa | 25–23, 21–19 | Winner |
| 2013 | Singapore Open | Lee Yong-dae | Mohammad Ahsan Hendra Setiawan | 15–21, 18–21 | Runner-up |
| 2013 | Indonesia Open | Lee Yong-dae | Mohammad Ahsan Hendra Setiawan | 14–21, 18–21 | Runner-up |
| 2013 | India Open | Lee Yong-dae | Liu Xiaolong Qiu Zihan | 20–22, 18–21 | Runner-up |
| 2013 | Korea Open | Lee Yong-dae |  Mathias Boe Carsten Mogensen | 19–21, 21–13, 21–10 | Winner |
| 2012 | China Open | Lee Yong-dae | Mathias Boe Carsten Mogensen | 15–21, 14–21 | Runner-up |
| 2012 | French Open | Lee Yong-dae |  Bodin Issara Maneepong Jongjit | 22–24, 21–17, 21–11 | Winner |
| 2012 | Singapore Open | Yoo Yeon-seong | Markis Kido Hendra Setiawan | 20–22, 21–11, 6–21 | Runner-up |
| 2012 | India Open | Yoo Yeon-seong | Bodin Issara Maneepong Jongjit | 17–21, 21–14, 14–21 | Runner-up |
| 2011 | China Open | Yoo Yeon-seong | Mathias Boe Carsten Mogensen | 17–21, 13–21 | Runner-up |
| 2010 | Hong Kong Open | Yoo Yeon-seong | Markis Kido Hendra Setiawan | 21–19, 14–21, 23–21 | Winner |
| 2010 | China Masters | Yoo Yeon-seong | Cai Yun Fu Haifeng | 14–21, 19–21 | Runner-up |
| 2010 | Swiss Open | Yoo Yeon-seong |  Koo Kien Keat Tan Boon Heong | 21–18, 21–16 | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2016 | French Open | Kim Ha-na | Zheng Siwei Chen Qingchen | 16–21, 15–21 | Runner-up |
| 2016 | Korea Open | Kim Ha-na | Zheng Siwei Chen Qingchen | 21–14, 21–19 | Winner |
| 2016 | Japan Open | Kim Ha-na | Zheng Siwei Chen Qingchen | 10–21, 15–21 | Runner-up |
| 2016 | Indonesia Open | Kim Ha-na | Xu Chen Ma Jin | 15–21, 21–16, 13–21 | Runner-up |
| 2016 | Singapore Open | Kim Ha-na | Xu Chen Ma Jin | 21–17, 21–14 | Winner |
| 2015 | Dubai World Super Series Finals | Kim Ha-na |  Chris Adcock Gabrielle Adcock | 14–21, 17–21 | Runner-up |
| 2015 | French Open | Kim Ha-na | Praveen Jordan Debby Susanto | 21–10, 15–21, 21–19 | Winner |
| 2015 | Denmark Open | Kim Ha-na | Tontowi Ahmad Liliyana Natsir | 20–22, 21–18, 21–9 | Winner |
| 2014 | Australian Open | Kim Ha-na |  Michael Fuchs Birgit Michels | 21–16, 21–17 | Winner |
| 2014 | India Open | Kim Ha-na | Joachim Fischer Nielsen Christinna Pedersen | 16–21, 21–18, 18–21 | Runner-up |
| 2013 | India Open | Kim Ha-na | Tontowi Ahmad Liliyana Natsir | 16–21, 13–21 | Runner-up |
| 2009 | All England | Ha Jung-eun | He Hanbin Yu Yang | 21–13, 15–21, 9–21 | Runner-up |
BWF Grand Prix
The BWF Grand Prix has two levels, the BWF Grand Prix and Grand Prix Gold. It is a series of badminton tournaments sanctioned by the Badminton World Federation since 2007.Men's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2016 | Korea Masters | Kim Jae-hwan | Lee Jhe-huei Lee Yang | 21–19, 21–18 | Winner |
| 2016 | New Zealand Open | Shin Baek-cheol | Angga Pratama Ricky Karanda Suwardi | 21–18, 21–14 | Winner |
| 2016 | German Open | Shin Baek-cheol | Lee Yong-dae Yoo Yeon-seong | 20–22, 21–18, 21–17 | Winner |
| 2015 | Macau Open | Shin Baek-cheol | Berry Angriawan Rian Agung Saputro | 22–20, 21–14 | Winner |
| 2015 | Korea Masters | Shin Baek-cheol | Kim Gi-jung Kim Sa-rang | 21–16, 18–21, 19–21 | Runner-up |
| 2014 | Korea Masters | Shin Baek-cheol | Lee Yong-dae Yoo Yeon-seong | 18–21, 19–21 | Runner-up |
| 2013 | Korea Masters | Shin Baek-cheol | Kim Gi-jung Kim Sa-rang | 15–21, 21–18, 23–25 | Runner-up |
| 2013 | Swiss Open | Lee Yong-dae | Chai Biao Hong Wei | 14–21, 21–18, 14–21 | Runner-up |
| 2012 | Syed Modi International | Lee Yong-dae | Kang Ji-wook Lee Sang-joon | 21–13, 21–19 | Winner |
| 2012 | Korea Masters | Lee Yong-dae | Kim Gi-jung Kim Sa-rang | 21–12, 21–11 | Winner |
| 2011 | Korea Masters | Yoo Yeon-seong | Jung Jae-sung Lee Yong-dae | 21–15, 24–22 | Winner |
| 2011 | Macau Open | Yoo Yeon-seong | Chai Biao Guo Zhendong | 19–21, 19–21 | Runner-up |
| 2011 | Chinese Taipei Open | Yoo Yeon-seong | Jung Jae-sung Lee Yong-dae | 23–21, 21–17 | Winner |
| 2011 | Canada Open | Lee Yong-dae | Liu Xiaolong Qiu Zihan | 21–18, 21–16 | Winner |
| 2011 | U.S. Open | Lee Yong-dae |  Howard Bach Tony Gunawan | 21–9, 21–19 | Winner |
| 2011 | Swiss Open | Yoo Yeon-seong | Jung Jae-sung Lee Yong-dae | 21–17, 21–16 | Winner |
| 2010 | Korea Masters | Yoo Yeon-seong | Jung Jae-sung Lee Yong-dae | 21–18, 18–21, 25–27 | Runner-up |
| 2010 | Macau Open | Yoo Yeon-seong | Alvent Yulianto Chandra Hendra Aprida Gunawan | 21–17, 21–15 | Winner |
| 2007 | Vietnam Open | Kwon Yi-goo | Cho Gun-woo Kang Myeong-won | 21–17, 21–12 | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2016 | Korea Masters | Kim Ha-na | Dechapol Puavaranukroh Sapsiree Taerattanachai | 21–19, 21–16 | Winner |
| 2016 | German Open | Kim Ha-na | Shin Baek-cheol Chae Yoo-jung | 21–19, 21–12 | Winner |
| 2015 | Korea Masters | Kim Ha-na | Shin Baek-cheol Chae Yoo-jung | 19–21, 21–17, 21–19 | Winner |
| 2015 | Chinese Taipei Open | Kim Ha-na | Shin Baek-cheol Chae Yoo-jung | 21–16, 21–18 | Winner |
| 2014 | German Open | Kim Ha-na |  Robert Blair Imogen Bankier | 15–21, 18–21 | Runner-up |
| 2011 | Chinese Taipei Open | Eom Hye-won | Tontowi Ahmad Liliyana Natsir | 24–22, 16–21, 21–17 | Winner |
BWF International Challenge/Series
Men's doubles| Year | Tournament | Partner | Opponent | Score | Result |
| 2019 | Osaka International | Shin Baek-cheol | Kang Min-hyuk Kim Jae-hwan | 21–13, 21–16 | Winner |
| 2018 | Malaysia International | Shin Baek-cheol | Lin Shang-kai Tseng Min-hao | 21–18, 30–29 | Winner |
| 2012 | India International | Lee Yong-dae | Cho Gun-woo Kim Dae-eun | 21–11, 21–10 | Winner |
| 2009 | Korea International | Yoo Yeon-seong | Lee Yong-dae Jung Jae-sung | 19–21, 21–15, 15–21 | Runner-up |
| 2008 | Osaka International | Kwon Yi-goo | Keishi Kawaguchi Naoki Kawamae | 21–11, 21–16 | Winner |
| 2007 | Korea International | Kwon Yi-goo | Hong In-pyo Choi Min-ho | 21–10, 21–13 | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2009 | Korea International | Ha Jung-eun | Lee Yong-dae Lee Hyo-jung | 14–21, 21–15, 9–21 | Runner-up |