# Chae Yoo-jung

Chae Yoo-jung (Korean: 채유정; Hanja: 蔡侑玎; born 9 May 1995) is a South Korean badminton player who affiliated with Incheon International Airport team. She is the daughter of former singles player Kim Bok-sun. She won the mixed doubles title at the 2023 World Championships. Chae was a part of the Korean national team that won the world mixed team championships at the 2017 Sudirman Cup.

## Career

Chae started playing badminton in 2005, affected by her mother Kim Bok-sun, who is also a South Korean badminton player. She entered the national team in 2011, and made her debut in the international tournament at the 2011 BWF World Junior Championships, winning a silver medal in the team event, a bronze medal in the mixed doubles, and a quarter-finalists in the girls' doubles. She has shown good progress in his junior career, where she and her partner, Choi Sol-gyu, managed to win the mixed doubles title at the Asian Junior Championships, and finished runner-up in the Korea Junior Open.
Chae competed at the 2020 Summer Olympics in the mixed doubles partnered with Seo Seung-jae, and her pace was stopped in the quarter-finals.
In 2023, Chae impressed the international stage, when she seized the mixed doubles title in the World Championships with partner Seo Seung-jae. This achievement was Chae and Seo's first victory over the world number 1 pair Zheng Siwei and Huang Yaqiong. She also secured her first ever Super 1000 title at the China Open with a second consecutive victory over Zheng and Huang at the quarter-finals. Chae joined the South Korean women's team that won the gold medal at the Asian Games, and settled the bronze medal in the mixed doubles, while with Korean mixed team at the Sudirman Cup she won the silver medal. Another results that she achieved in the season of 2023 was winning the Korea Masters; runners-up in the Thailand Masters, All England Open, and China Masters; lead she and her partner qualified for the World Tour Finals, where the duo finished in the semi-finals at that tournament. She closed the year ranked as world number 3 in the mixed doubles.

## Achievements
### World Championships

Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2023 | Royal Arena, Copenhagen, Denmark | Seo Seung-jae | Zheng Siwei Huang Yaqiong | 21–17, 10–21, 21–18 | Gold |

### Asian Games

Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2022 | Binjiang Gymnasium, Hangzhou, China | Seo Seung-jae | Zheng Siwei Huang Yaqiong | 21–13, 15–21, 16–21 | Bronze |

### Asian Championships

Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2016 | Wuhan Sports Center Gymnasium, Wuhan, China | Shin Baek-cheol | Tontowi Ahmad Liliyana Natsir | 16–21, 13–21 | Bronze |
| 2024 | Ningbo Olympic Sports Center Gymnasium, Ningbo, China | Seo Seung-jae | Feng Yanzhe Huang Dongping | 21–13, 15–21, 14–21 | Silver |

### East Asian Games

Women's doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2013 | Binhai New Area Dagang Gymnasium, Tianjin, China | Kim Ji-won | Yuriko Miki Koharu Yonemoto | 15–21, 18–21 | Bronze |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2013 | Binhai New Area Dagang Gymnasium, Tianjin, China | Choi Sol-gyu | Xu Chen Ma Jin | 10–21, 15–21 | Bronze |

### World Junior Championships

Girls' doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2013 | Hua Mark Indoor Stadium, Bangkok, Thailand | Kim Ji-won | Chen Qingchen He Jiaxin | 21–19, 21–15 | Gold |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2011 | Taoyuan Arena, Taoyuan City, Taipei, Taiwan | Choi Sol-gyu | Alfian Eko Prasetya Gloria Emanuelle Widjaja | 18–21, 13–21 | Bronze |
| 2013 | Hua Mark Indoor Stadium, Bangkok, Thailand | Choi Sol-gyu | Huang Kaixiang Chen Qingchen | 13–21, 11–21 | Bronze |

### Asian Junior Championships

Girls' doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2013 | Likas Indoor Stadium, Kota Kinabalu, Malaysia | Kim Ji-won | Chen Qingchen He Jiaxin | 7–21, 21–19, 11–21 | Bronze |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2012 | Gimcheon Indoor Stadium, Gimcheon, South Korea | Choi Sol-gyu | Liu Yuchen Huang Dongping | 21–11, 19–21, 21–13 | Gold |
| 2013 | Likas Indoor Stadium, Kota Kinabalu, Malaysia | Choi Sol-gyu | Wang Yilyu Huang Dongping | 17–21, 25–23, 23–21 | Gold |

### BWF World Tour (6 titles, 9 runners-up)

The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF). The BWF World Tours are divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300 (part of the HSBC World Tour), and the BWF Tour Super 100.
Mixed doubles
| Year | Tournament | Level | Partner | Opponent | Score | Result |
| 2018 | New Zealand Open | Super 300 | Seo Seung-jae | Wang Chi-lin Lee Chia-hsin | 19–21, 21–14, 19–21 | Runner-up |
| 2018 | Australian Open | Super 300 | Seo Seung-jae | Chan Peng Soon Goh Liu Ying | 21–12, 23–21 | Winner |
| 2018 | French Open | Super 750 | Seo Seung-jae | Zheng Siwei Huang Yaqiong | 19–21, 14–21 | Runner-up |
| 2019 | Spain Masters | Super 300 | Seo Seung-jae | Wang Chi-lin Cheng Chi-ya | 21–18, 21–15 | Winner |
| 2019 | German Open | Super 300 | Seo Seung-jae | Hafiz Faizal Gloria Emanuelle Widjaja | 21–17, 21–11 | Winner |
| 2019 | Chinese Taipei Open | Super 300 | Seo Seung-jae | Tang Chun Man Tse Ying Suet | 18–21, 10–21 | Runner-up |
| 2020 (II) | Thailand Open | Super 1000 | Seo Seung-jae | Dechapol Puavaranukroh Sapsiree Taerattanachai | 16–21, 20–22 | Runner-up |
| 2020 | BWF World Tour Finals | World Tour Finals | Seo Seung-jae | Dechapol Puavaranukroh Sapsiree Taerattanachai | 18–21, 21–8, 8–21 | Runner-up |
| 2022 | Australian Open | Super 300 | Seo Seung-jae | Kim Won-ho Jeong Na-eun | 21–9, 21–17 | Winner |
| 2023 | Thailand Masters | Super 300 | Seo Seung-jae | Feng Yanzhe Huang Dongping | 21–18, 15–21, 12–21 | Runner-up |
| 2023 | All England Open | Super 1000 | Seo Seung-jae | Zheng Siwei Huang Yaqiong | 16–21, 21–16, 12–21 | Runner-up |
| 2023 | China Open | Super 1000 | Seo Seung-jae | Thom Gicquel Delphine Delrue | 21–19, 21–12 | Winner |
| 2023 | Korea Masters | Super 300 | Seo Seung-jae | Jiang Zhenbang Wei Yaxin | 21–14, 21–15 | Winner |
| 2023 | China Masters | Super 750 | Seo Seung-jae | Zheng Siwei Huang Yaqiong | 10–21, 11–21 | Runner-up |
| 2024 | French Open | Super 750 | Seo Seung-jae | Feng Yanzhe Huang Dongping | 16–21, 16–21 | Runner-up |

### BWF Grand Prix (4 titles, 8 runners-up)

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 doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2016 | Indonesian Masters | Kim So-yeong | Jongkolphan Kititharakul Rawinda Prajongjai | 21–18, 22–20 | Winner |
| 2016 | Korea Masters | Kim So-yeong | Jung Kyung-eun Shin Seung-chan | 14–21, 14–21 | Runner-up |
| 2017 | Chinese Taipei Open | Kim So-yeong | Kim Hye-rin Yoo Hae-won | 21–12, 21–11 | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2013 | Macau Open | Choi Sol-gyu | Lu Kai Huang Yaqiong | 21–17, 18–21, 17–21 | Runner-up |
| 2013 | Vietnam Open | Choi Sol-gyu | Liao Min-chun Chen Hsiao-huan | 22–20, 19–21, 21–14 | Winner |
| 2015 | Chinese Taipei Open | Shin Baek-cheol | Ko Sung-hyun Kim Ha-na | 16–21, 18–21 | Runner-up |
| 2015 | Vietnam Open | Choi Sol-gyu | Huang Kaixiang Huang Dongping | 19–21, 12–21 | Runner-up |
| 2015 | Korea Masters | Shin Baek-cheol | Ko Sung-hyun Kim Ha-na | 21–19, 17–21, 19–21 | Runner-up |
| 2015 | Macau Open | Shin Baek-cheol | Choi Sol-gyu Eom Hye-won | 21–18, 21–13 | Winner |
| 2016 | German Open | Shin Baek-cheol | Ko Sung-hyun Kim Ha-na | 19–21, 12–21 | Runner-up |
| 2017 | Canada Open | Choi Sol-gyu | Kim Won-ho Shin Seung-chan | 19–21, 16–21 | Runner-up |
| 2017 | Korea Masters | Choi Sol-gyu | Seo Seung-jae Kim Ha-na | 21–17, 13–21, 18–21 | Runner-up |
    BWF Grand Prix Gold tournament
    BWF Grand Prix tournament

### BWF International Challenge/Series (1 title, 2 runners-up)

Women's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2015 | Thailand International | Kim Ji-won | Duanganong Aroonkesorn Kunchala Voravichitchaikul | 17–21, 19–21 | Runner-up |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2014 | Osaka International | Choi Sol-gyu | Muhammad Rijal Vita Marissa | 18–21, 21–17, 18–21 | Runner-up |
| 2015 | Thailand International | Choi Sol-gyu | Tan Chee Tean Shevon Jemie Lai | 18–21, 21–19, 21–12 | Winner |
    BWF International Challenge tournament
    BWF International Series tournament