Deng Xuan
Joy Xuan Deng is a Hong Kong badminton player of Chinese origin. She started playing badminton in her hometown Guangzhou, and in 2010, Deng was selected to join the China national badminton team. In 2014, she retired from the China national badminton team, and in 2017, she started to represented Hong Kong.
Achievements
Youth Olympic Games
Girls' singles| Year | Venue | Opponent | Score | Result |
| 2010 | Singapore Indoor Stadium, Singapore City, Singapore |  Sapsiree Taerattanachai | 14–21, 17–21 | Silver |
Asian Junior Championships
Girls' singles| Year | Venue | Opponent | Score | Result |
| 2010 | Stadium Juara, Kuala Lumpur, Malaysia | Sapsiree Taerattanachai | 21–12, 7–21, 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 | Hyderabad Open | Super 100 |  Kim Ga-eun | 9–21, 21–18, 17–21 | Runner-up |
BWF Grand Prix
The BWF Grand Prix has two levels: Grand Prix and Grand Prix Gold. It is a series of badminton tournaments, sanctioned by Badminton World Federation since 2007.Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2013 | New Zealand Open |  Akane Yamaguchi | 21–17, 18–21, 22–20 | Winner |
BWF International Challenge/Series
Women's singles| Year | Tournament | Opponent | Score | Result |
| 2018 | White Nights |  Yeo Jia Min | 21–7, 13–21, 21–17 | Winner |
| 2018 | Mongolia International | Chasinee Korepap | 21–11, 21–8 | Winner |
| 2018 | Slovak Open |  Lin Hsiang-ti | 21–11, 21–13 | Winner |
| 2017 | Nepal International |  Soraya Aghaeihajiagha | 21–12, 21–5 | Winner |