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 Olympic Games Men's doubles BWF World Championships Men's doubles World Cup Men's doubles Asian Championships Men's doubles World Junior Championships Boys' doubles Mixed doubles Asian Junior Championships Boys' doubles BWF Superseries The BWF Superseries, which was launched on 14 December 2006 and implemented in 2007, was a series of elite badminton tournaments, sanctioned by the Badminton World Federation (BWF). BWF Superseries levels were Superseries and Superseries Premier. A season of Superseries consisted of twelve tournaments around the world that had been introduced since 2011. Successful players were invited to the Superseries Finals, which were held at the end of each year. Men's doubles BWF Superseries Finals tournament BWF Superseries Premier tournament BWF Superseries tournament BWF Grand Prix The BWF Grand Prix had two levels, the Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) and played between 2007 and 2017. The World Badminton Grand Prix was sanctioned by the International Badminton Federation from 1983 to 2006. Men's doubles BWF Grand Prix Gold tournament BWF & IBF Grand Prix tournament Personal life Cai Yun married synchronised swimmer Wang Na in 2010. Wang Na gave birth to a daughter in 2012, and to a second child in probably late 2014. (Cai Yun's doubles partner-turned-coach Zhang Jun married Wang Na's teammate Hu Ni in 2006.) References External links Cai Yun's Blog Profile – Beijing 2008 Olympic Games 1980 births Living people Sportspeople from Suzhou Badminton players from Jiangsu Chinese male badminton players Badminton players at the 2004 Summer Olympics Badminton players at the 2008 Summer Olympics Badminton players