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Kazumasa Sakai

Kazumasa Sakai is a Japanese badminton player who is single specialist. He represented Japan and won a silver medal at the 2017 Indonesia Open.

Achievements
East Asian Games ''Men's singles'' 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 (BWF). The BWF World Tour is divided into six levels, namely World Tour Finals, Super 1000, Super 750, Super 500, Super 300 (part of the HSBC World Tour), and the BWF Tour Super 100. ''Men's singles'' 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 singles'' : BWF Superseries Premier tournament BWF Grand Prix The BWF Grand Prix had two levels, the BWF Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) which was held from 2007 to 2017. ''Men's singles'' : BWF Grand Prix tournament BWF International Challenge/Series ''Men's singles'' : BWF International Challenge tournament : BWF International Series tournament == References ==
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