Minatsu Mitani
Minatsu Mitani is a retired Japanese badminton player who is a singles specialist from NTT East badminton club. She competed at the 2014 Asian Games.
Mitani expressed her desire to retire after losing in the second round of 73rd All Japan Comprehensive Championships on 28 November 2019, and officially announced her retirement on the first day of 2019 S/J League on 20 December.
Achievements
BWF World Championships
Women's singles| Year | Venue | Opponent | Score | Result |
| 2014 | Ballerup Super Arena, Copenhagen, Denmark |  Li Xuerui | 8–21, 14–21 | Bronze |
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.Women's singles
| Year | Tournament | Level | Opponent | Score | Result |
| 2018 | Bangka Belitung Indonesia Masters | Super 100 |  Shiori Saito | 21–16, 21–12 | Winner |
| 2018 | Spain Masters | Super 300 |  Mia Blichfeldt | 9–21, 23–21, 21–8 | Winner |
BWF Superseries
The BWF Superseries, launched on 14 December 2006 and implemented in 2007, is a series of elite badminton tournaments, sanctioned by the Badminton World Federation. BWF Superseries has two levels, the Superseries and Superseries Premier. A season of Superseries features twelve tournaments around the world, which were introduced in 2011, with successful players invited to the Superseries Finals held at the year's end.Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2012 | French Open |  Saina Nehwal | 21–19, 21–11 | Winner |
BWF Grand Prix
The BWF Grand Prix has two levels, the Grand Prix and Grand Prix Gold. It is a series of badminton tournaments sanctioned by the BWF since 2007.Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2015 | Macau Open | Pusarla Venkata Sindhu | 22–24, 11–21 | Runner-up |
| 2010 | Australian Open |  Seo Yoon-hee | 20–22, 21–14, 19–21 | Runner-up |
BWF International Challenge/Series
Women's singles| Year | Tournament | Opponent | Score | Result |
| 2011 | Osaka International | Megumi Taruno | 21–10, 21–10 | Winner |
| 2011 | Croatian International |  Perrine Le Buhanic | 21–14, 21–17 | Winner |
| 2011 | Banuinvest International | Yui Hashimoto | 21–14, 21–16 | Winner |
Women's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2010 | Austrian International | Naoko Fukuman | Rie Eto Yu Wakita | 14–21, 10–21 | Runner-up |