Sun Yu (badminton)
Sun Yu is a badminton player from China. She was a part of the Chinese winning team for the 2014 and 2016 Uber Cup.
After a long struggle from serious injury problems, she officially announced her retirement from the national team on 16 August 2018, and from the international badminton circuit in 2019, at a very young age of 25. The last tournament she played was the 2017 World Championships where she ended her campaign as quarter-finalist.
Achievements
World Junior Championships
Girls' singles| Year | Venue | Opponent | Score | Result |
| 2012 | Chiba Port Arena, Chiba, Japan |  Nozomi Okuhara | 10–21, 20–22 | Bronze |
Asian Junior Championships
Girls' singles| Year | Venue | Opponent | Score | Result |
| 2011 | Babu Banarasi Das Indoor Stadium, Lucknow, India |  Shen Yaying | 21–8, 21–13 | Gold |
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 level such as 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.Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2016 | China Open |  P. V. Sindhu | 11–21, 21–17, 11–21 | Runner-up |
| 2016 | Japan Open | He Bingjiao | 14–21, 21–7, 18–21 | Runner-up |
| 2016 | Australian Open | Saina Nehwal | 21–11, 14–21, 19–21 | Runner-up |
| 2016 | Singapore Open |  Ratchanok Intanon | 21–18, 11–21, 14–21 | Runner-up |
| 2015 | Singapore Open |  Tai Tzu-ying | 21–13, 19–21, 22–20 | Winner |
BWF Grand Prix
The BWF Grand Prix has two levels, the BWF Grand Prix and Grand Prix Gold. It is a series of badminton tournaments sanctioned by the Badminton World Federation since 2007.Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2016 | China Masters | Li Xuerui | 16–21, 21–19, 6–21 | Runner-up |
| 2016 | Thailand Masters | Ratchanok Intanon | 19–21, 21–18, 17–21 | Runner-up |
| 2015 | Korea Masters | Sayaka Sato | 20–22, 19–21 | Runner-up |
| 2015 | Swiss Open | Busanan Ongbumrungpan | 21–16, 21–12 | Winner |
| 2014 | Bitburger Open | He Bingjiao | 16–21, 21–15, 21–12 | Winner |
| 2014 | Swiss Open | Wang Yihan | 23–21, 9–21, 11–21 | Runner-up |
| 2012 | Macau Open | Busanan Ongbumrungpan | 21–19, 21–8 | Winner |