Liu Cheng (badminton)
Liu Cheng is a Chinese badminton player. He was the men's doubles World Champion in 2017 partnered with Zhang Nan, also the mixed doubles World and Asian Junior Champion in 2010 with Bao Yixin. Liu was part of the national team member that won the team events at the 2015 Sudirman Cup, 2018 Thomas Cup and 2018 Asian Games. He reached a career high of world number 2 in both men's and mixed doubles events.
Achievements
BWF World Championships
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2018 | Nanjing Youth Olympic Sports Park, Nanjing, China |  Zhang Nan | Li Junhui Liu Yuchen | 15–21, 13–21 | Bronze |
| 2017 | Emirates Arena, Glasgow, Scotland | Zhang Nan |  Mohammad Ahsan Rian Agung Saputro | 21–10, 21–17 | Gold |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2015 | Istora Senayan, Jakarta, Indonesia | Bao Yixin | Zhang Nan Zhao Yunlei | 17–21, 11–21 | Silver |
| 2014 | Ballerup Super Arena, Copenhagen, Denmark | Bao Yixin | Zhang Nan Zhao Yunlei | 15–21, 13–21 | Bronze |
Asian Championships
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2018 | Wuhan Sports Center Gymnasium, Wuhan, China | Zhang Nan |  Takeshi Kamura Keigo Sonoda | 21–14, 12–21, 23–25 | Bronze |
Summer Universiade
Mixed doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2013 | Tennis Academy, Kazan, Russia | Tian Qing |  Kim Gi-jung Kim So-young | 20–22, 14–21 | Silver |
BWF World Junior Championships
Mixed doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2010 | Domo del Code Jalisco, Guadalajara, Mexico | Bao Yixin | Kang Ji-wook Choi Hye-in | 21–15, 21–15 | Gold |
Asian Junior Championships
Mixed doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2010 | Stadium Juara, Kuala Lumpur, Malaysia | Bao Yixin |  Ow Yao Han Lai Pei Jing | Walkover | Gold |
BWF World Tour (2 runners-up)
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.Men's doubles
| Year | Tournament | Level | Partner | Opponent | Score | Result |
| 2020 | Thailand Masters | Super 300 | Huang Kaixiang | Ong Yew Sin Teo Ee Yi | 21–18, 17–21, 17–21 | Runner-up |
| 2019 | Macau Open | Super 300 | Huang Kaixiang | Li Junhui Liu Yuchen | 8–21, 21–18, 20–22 | Runner-up |
BWF Superseries (2 titles, 7 runners-up)
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 levels: 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.Men's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2017 | Dubai World Superseries Finals | Zhang Nan | Marcus Fernaldi Gideon Kevin Sanjaya Sukamuljo | 16–21, 15–21 | Runner-up |
| 2017 | Denmark Open | Zhang Nan | Marcus Fernaldi Gideon Kevin Sanjaya Sukamuljo | 21–16, 22–24, 21–19 | Winner |
| 2015 | Denmark Open | Lu Kai | Lee Yong-dae Yoo Yeon-seong | 8–21, 14–21 | Runner-up |
| 2015 | Australian Open | Lu Kai | Lee Yong-dae Yoo Yeon-seong | 16–21, 17–21 | Runner-up |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2015 | Hong Kong Open | Bao Yixin | Zhang Nan Zhao Yunlei | 17–21, 21–17, 17–21 | Runner-up |
| 2015 | Australian Open | Bao Yixin |  Lee Chun Hei Chau Hoi Wah | 19–21, 21–19, 15–21 | Runner-up |
| 2015 | India Open | Bao Yixin |  Joachim Fischer Nielsen Christinna Pedersen | 21–19, 21–19 | Winner |
| 2014 | Dubai World Superseries Finals | Bao Yixin | Zhang Nan Zhao Yunlei | 15–21, 12–21 | Runner-up |
| 2013 | Hong Kong Open | Bao Yixin |  Chris Adcock Gabrielle White | 14–21, 22–24 | Runner-up |
BWF Grand Prix (2 titles, 2 runners-up)
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.Men's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2017 | Swiss Open | Zhang Nan | Chai Biao Hong Wei | 21–13, 16–21, 15–21 | Runner-up |
| 2014 | China Masters | Kang Jun | Wang Yilv Zhang Wen | 21–13, 21–16 | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2015 | China Masters | Bao Yixin | Edi Subaktiar Gloria Emanuelle Widjaja | 18–21, 21–15, 26–24 | Winner |
| 2015 | Swiss Open | Bao Yixin | Lu Kai Huang Yaqiong | 21–17, 20–22, 13–21 | Runner-up |