Cai Yanyan
Cai Yanyan is a Chinese badminton player. She won her first international title at the 2017 China International tournament in the women's singles event. Cai was the bronze medalists at the 2017 World Junior Championships and 2019 Asian Championships.
Achievements
Asian Championships
Women's singles| Year | Venue | Opponent | Score | Result |
| 2019 | Wuhan Sports Center Gymnasium, Wuhan, China |  He Bingjiao | 21–8, 12–21, 17-21 | Bronze |
BWF World Junior Championships
Girls' singles| Year | Venue | Opponent | Score | Result |
| 2017 | GOR Among Rogo, Yogyakarta, Indonesia |  Gregoria Mariska Tunjung | 20–22, 21–13, 18–21 | 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 | SaarLorLux Open | Super 100 | Chen Xiaoxin | 21–19, 19–21, 21–17 | Winner |
| 2018 | Australian Open | Super 300 |  Ayumi Mine | 21–14, 21–13 | 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 |
| 2017 | Macau Open |  Pai Yu-po | 21–15, 17–21, 21–16 | Winner |
BWF International Challenge/Series
Women's singles| Year | Tournament | Opponent | Score | Result |
| 2017 | China International | Wang Zhiyi | 11–9, 10–13, 11–9, 11–7 | Winner |