# Sun Yu (badminton)

Sun Yu (Chinese: 孙瑜; pinyin: Sūn Yú; born 28 February 1994) is a Chinese badminton player. She was part of the Chinese winning team of the 2014 and the 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, 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.
Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2015 | Singapore Open | Tai Tzu-ying | 21–13, 19–21, 22–20 | Winner |
| 2016 | Singapore Open | Ratchanok Intanon | 21–18, 11–21, 14–21 | Runner-up |
| 2016 | Australian Open | Saina Nehwal | 21–11, 14–21, 19–21 | Runner-up |
| 2016 | Japan Open | He Bingjiao | 14–21, 21–7, 18–21 | Runner-up |
| 2016 | China Open | P. V. Sindhu | 11–21, 21–17, 11–21 | Runner-up |
    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.
Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2012 | Macau Open | Busanan Ongbamrungphan | 21–19, 21–8 | Winner |
| 2014 | Swiss Open | Wang Yihan | 23–21, 9–21, 11–21 | Runner-up |
| 2014 | Bitburger Open | He Bingjiao | 16–21, 21–15, 21–12 | Winner |
| 2015 | Swiss Open | Busanan Ongbamrungphan | 21–16, 21–12 | Winner |
| 2015 | Korea Masters | Sayaka Sato | 20–22, 19–21 | Runner-up |
| 2016 | Thailand Masters | Ratchanok Intanon | 19–21, 21–18, 17–21 | Runner-up |
| 2016 | China Masters | Li Xuerui | 16–21, 21–19, 6–21 | Runner-up |
    BWF Grand Prix Gold tournament
    BWF Grand Prix tournament

## Record against selected opponents

Record against year-end Finals finalists, World Championships semi-finalists, and Olympic quarter-finalists.
| Players | Matches | Results | Results | Difference |
| Players | Matches | Won | Lost | Difference |
| Chen Yufei | 4 | 4 | 0 | +4 |
| He Bingjiao | 5 | 3 | 2 | +1 |
| Li Xuerui | 9 | 2 | 7 | –5 |
| Wang Lin | 1 | 0 | 1 | –1 |
| Wang Shixian | 4 | 1 | 3 | –2 |
| Wang Yihan | 2 | 0 | 2 | –2 |
| Tai Tzu-ying | 6 | 5 | 1 | +4 |
| Tine Baun | 1 | 0 | 1 | –1 |
| Juliane Schenk | 1 | 1 | 0 | +1 |
| Yip Pui Yin | 4 | 4 | 0 | +4 |
| Saina Nehwal | 8 | 2 | 6 | –4 |
| Players | Matches | Results | Results | Difference |
| Players | Matches | Won | Lost | Difference |
| P. V. Sindhu | 8 | 4 | 4 | 0 |
| Lindaweni Fanetri | 1 | 1 | 0 | +1 |
| Minatsu Mitani | 2 | 2 | 0 | +2 |
| Nozomi Okuhara | 9 | 5 | 4 | +1 |
| Akane Yamaguchi | 6 | 3 | 3 | 0 |
| Bae Yeon-ju | 2 | 2 | 0 | +2 |
| Sung Ji-hyun | 6 | 2 | 4 | –2 |
| Carolina Marín | 5 | 3 | 2 | +1 |
| Porntip Buranaprasertsuk | 2 | 2 | 0 | +2 |
| Ratchanok Intanon | 7 | 2 | 5 | –3 |