Cai Yun
Cai Yun is a former professional badminton player representing China. He is the 2012 London Olympic gold medallist and a four-time World Champion in men's doubles. He is regarded as one of the greatest men's doubles player in his era.
Sport career
Combining Cai Yun's impressive speed with his regular partner Fu Haifeng's impressive power, Cai and Fu have been one of the world's leading men's doubles teams since 2004. They have won numerous top tier events on the world circuit including the venerable All England Open Championships in 2005 and 2009. They have won the BWF World Championships 4 times in 2006, 2009, 2010 and 2011, becoming the first Men's Doubles pair to achieve this feat. Cai and Fu have helped China win five consecutive Thomas Cup and six consecutive Sudirman Cup . Cai and Fu also competed together in the Olympic games 3 times, including the 2004, the 2008 Olympic Games and the 2012 Olympic Games. They were eliminated in the quarterfinals in 2004, and in 2008 in Beijing were silver medalists, losing a close final to Indonesia's Markis Kido and Hendra Setiawan.At the 2010 BWF World Championships, they, being the fifth-seed, beat the third-seed Danish pair Mathias Boe and Carsten Mogensen 21–11, 21–18 in the quarterfinals. In the semifinals, they defeated the second-seed Indonesian Olympic Champions Markis Kido and Hendra Setiawan 21–16, 21–13. In the finals, they overcame the first-seed and Malaysian world no. 1 Koo Kien Keat and Tan Boon Heong 18–21, 21–18, 21–14 to win the world title for the 3rd time. They are the first Men's Doubles pair to achieve this feat.
Cai and Fu went on to win the Li-Ning China Masters Super Series. Being the fifth-seed, they first defeated their second-seed compatriots Xu Chen and Guo Zhendong 21–11, 21–16 in the quarterfinals. In the semifinals, they made a great comeback against the third-seed South Korean rival Lee Yong-dae and Jung Jae-sung 20–22, 21–13, 21–17. Cai and Fu then clinched their second China Masters title by defeating the fourth-seed South Korean pair Yoo Yeon-seong and Ko Sung-hyun in 2 sets 21–14, 21–19. Cai and Fu won their third title in a row by winning the Yonex Japan Open Super Series. They, being the fifth-seed, beat the young Korean Pair Cho Gun-woo and Kwon Yi-goo 21–14, 16–21, 21–12 in the quarterfinals. In the semifinals, they defeated their promising compatriots Zhang Nan and Chai Biao 21–17, 21–16. In the finals, they made a great comeback again against the first-seed and Malaysian world no. 1 Koo Kien Keat and Tan Boon Heong 18–21, 21–14, 21–12 to win their first Japan Open title.
In the 2012 Summer Olympics, they defeated Denmark's Mathias Boe and Carsten Mogensen in the final to win the gold medal.
Having won 1 Olympic gold medal and 4 World Championship titles, as well as many other titles, Cai and Fu is one of the most successful men's doubles pairs in badminton history. They have expressed the will to continue their career together as long as they can after the London Olympics.
Achievements
Asian Championships
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2015 | Wuhan Sports Center Gymnasium, Wuhan, China |  Lu Kai |  Muhammad Ahsan Hendra Setiawan | 12–21, 21–18, 16–21 | Bronze |
BWF Superseries
The BWF Superseries, launched on 14 December 2006 and implemented in 2007, is a series of elite badminton tournaments, sanctioned by Badminton World Federation. BWF Superseries has two levels: 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 |
| 2007 | All England Open | Fu Haifeng |  Koo Kien Keat Tan Boon Heong | 15–21, 18–21 | Runner-up |
| 2007 | Singapore Open | Fu Haifeng | Choong Tan Fook Lee Wan Wah | 16–21, 24–22, 21–18 | Winner |
| 2007 | Indonesia Open | Fu Haifeng | Mohd Zakry Abdul Latif Mohd Fairuzizuan Mohd Tazari | 21–17, 22–20 | Winner |
| 2007 | China Masters | Fu Haifeng | Markis Kido Hendra Setiawan | 21–15, 21–16 | Winner |
| 2007 | French Open | Fu Haifeng | Choong Tan Fook Lee Wan Wah | 21–14, 21–19 | Winner |
| 2008 | Korea Open | Fu Haifeng | Luluk Hadiyanto Alvent Yulianto | 21–7, 20–22,21–17 | Winner |
| 2008 | French Open | Xu Chen | Markis Kido Hendra Setiawan | 18–21, 19–21 | Runner-up |
| 2009 | All England Open | Fu Haifeng |  Han Sang-hoon Hwang Ji-man | 21–17, 21–15 | Winner |
| 2009 | Indonesia Open | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 15–21, 18–21 | Runner-up |
| 2009 | China Masters | Fu Haifeng | Guo Zhendong Xu Chen | Walkover | Runner-up |
| 2010 | Korea Open | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 11–21, 21–14, 18–21 | Runner-up |
| 2010 | China Masters | Fu Haifeng | Ko Sung-hyun Yoo Yeon-seong | 21–14, 21–19 | Winner |
| 2010 | Japan Open | Fu Haifeng | Koo Kien Keat Tan Boon Heong | 18–21, 21–14, 21–12 | Winner |
| 2011 | Singapore Open | Fu Haifeng | Hendra Aprida Gunawan Alvent Yulianto Chandra | 21–17, 21–13 | Winner |
| 2011 | Indonesia Open | Fu Haifeng | Chai Biao Guo Zhendong | 21–13, 21–12 | Winner |
| 2011 | China Masters | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 17–21, 10–21 | Runner-up |
| 2011 | Japan Open | Fu Haifeng | Mohammad Ahsan Bona Septano | 21–13, 23–21 | Winner |
| 2011 | Denmark Open | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 16–21, 17–21 | Runner-up |
| 2011 | French Open | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 21–14, 15–21, 11–21 | Runner-up |
| 2011 | Hong Kong Open | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 14–21, 24–22, 21–19 | Winner |
| 2012 | Korea Open | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 18–21, 21–17, 21–19 | Winner |
| 2012 | All England Open | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 23–21, 9–21, 14–21 | Runner-up |
| 2012 | Hong Kong Open | Fu Haifeng | Koo Kien Keat Tan Boon Heong | 21–16, 21–17 | Winner |
| 2014 | Singapore Open | Lu Kai |  Lee Sheng-mu Tsai Chia-hsin | 21–19, 21–14 | Winner |
BWF Grand Prix
The BWF Grand Prix has two levels: Grand Prix and Grand Prix Gold. It is a series of badminton tournaments, sanctioned by Badminton World Federation from 2007 to 2017. The World Badminton Grand Prix sanctioned by International Badminton Federation from 1983 to 2006.Men's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2003 | Malaysia Open | Fu Haifeng | Lee Dong-soo Kim Dong-moon | 15–17, 11–15 | Runner-up |
| 2003 | German Open | Fu Haifeng | Eng Hian Flandy Limpele | 15–9, 8–15, 4–15 | Runner-up |
| 2004 | Swiss Open | Fu Haifeng | Luluk Hadiyanto Alvent Yulianto | 15–9, 17–14 | Winner |
| 2004 | Japan Open | Fu Haifeng | Ha Tae-kwon Kim Dong-moon | 7–15, 15–6, 6–15 | Runner-up |
| 2004 | Indonesia Open | Fu Haifeng | Luluk Hadiyanto Alvent Yulianto | 8–15, 11–15 | Runner-up |
| 2005 | German Open | Fu Haifeng |  Jens Eriksen Martin Lundgaard Hansen | 6–15, 15–3, 15–10 | Winner |
| 2005 | All England Open | Fu Haifeng | Lars Paaske Jonas Rasmussen | 15–10, 15–6 | Winner |
| 2005 | Malaysia Open | Fu Haifeng | Candra Wijaya Sigit Budiarto | 11–15, 14–17 | Runner-up |
| 2005 | Hong Kong Open | Fu Haifeng | Jens Eriksen Martin Lundgaard Hansen | 15–13, 15–9 | Winner |
| 2006 | China Masters | Fu Haifeng | Jens Eriksen Martin Lundgaard Hansen | 17–21, 17–21 | Runner-up |
| 2006 | Chinese Taipei Open | Fu Haifeng | Lee Yong-dae Jung Jae-sung | 21–14, 21–18 | Winner |
| 2006 | Macau Open | Fu Haifeng | Guo Zhendong Zheng Bo | Winner | |
| 2006 | China Open | Fu Haifeng | Markis Kido Hendra Setiawan | 16–21, 16–21 | Runner-up |
| 2008 | Thailand Open | Fu Haifeng | Guo Zhendong Xie Zhongbo | 21–17, retired | Winner |
| 2015 | Swiss Open | Lu Kai | Goh V Shem Tan Wee Kiong | 21–19, 14–21, 21–17 | Winner |