Keiichiro Matsui
Keiichiro Matsui is a Japanese badminton player who affiliated with the Hitachi team. Born in Ishikawa, he graduated from the Tomioka senior high school, and later educated at the Nippon Sport Science University. He was part of the national junior team that won the gold medal at the 2012 Asian Junior Championships, and the silver medal at the 2012 World Junior Championships.
Achievements
BWF World Tour (1 runner-up)
The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments sanctioned by the Badminton World Federation. The BWF World Tour is divided into levels of 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 | Ref | ||||||||||||||||
| 2019 | Russian Open | Super 100 |  BWF Grand Prix (1 runner-up)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 and played between 2007 and 2017.Mixed doubles
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