Kim Jae-hwan (badminton)
Kim Jae-hwan is a South Korean badminton player. He graduated from the Jeonju Life Science High School, and now educated at the Wonkwang University. In his junior career, he had collected a gold and two bronzes at the World Junior Championships, and also three silvers and a bronze at the Asian Junior Championships. In 2016, he won the men's doubles title with his partnered Choi Sol-gyu at the World University Championships in Russia. At the same year, he won the BWF Grand Prix Gold tournament at the Korea Masters in the men's doubles event with Ko Sung-hyun. In 2017, he competed at the Taipei Summer Universiade and won the men's doubles gold together with Seo Seung-jae.
Achievements
Summer Universiade
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2017 | Taipei Gymnasium, Taipei, Taiwan |  Seo Seung-jae |  Katsuki Tamate Kenya Mitsuhashi | 21–12, 21–19 | Gold |
World University Championships
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2016 | Palace of sports "Borisoglebsky", Ramenskoe, Russia | Choi Sol-gyu |  Lee Jhe-huei Lee Yang | 19–21, 21–14, 21–17 | Gold |
BWF World Junior Championships
Boys' doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2014 | Stadium Sultan Abdul Halim, Alor Setar, Malaysia | Kim Jung-ho |  Kittinupong Ketlen Dechapol Puavaranukroh | 14–21, 18–21 | Bronze |
Asian Junior Championships
Boys' doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2014 | Taipei Gymnasium, Taipei, Chinese Taipei | Kim Jung-ho |  Huang Kaixiang Zheng Siwei | 16–21, 14–21 | Silver |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2014 | Taipei Gymnasium, Taipei, Chinese Taipei | Kim Hye-jeong | Huang Kaixiang Chen Qingchen | 9–21, 19–21 | Bronze |
BWF Grand Prix (1 title)
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 |
| 2016 | Korea Masters | Ko Sung-hyun |  Lee Jhe-huei Lee Yang | 21–19, 21–18 | Winner |
BWF International Challenge/Series (1 title, 3 runners-up)
Men's doubles| Year | Tournament | Partner | Opponent | Score | Result |
| 2019 | Indonesia International | Kang Min-hyuk |  Muhammad Fachrikar Amri Syahnawi | 21–17, 11–21, 21–15 | Winner |
| 2019 | Mongolia International | Kang Min-hyuk | Kim Won-ho Park Kyung-hoon | 21–14, 27–29, 14–21 | Runner-up |
| 2019 | Vietnam International | Kang Min-hyuk | Kenas Adi Haryanto Rian Agung Saputro | 19–21, 21–15, 18–21 | Runner-up |
| 2019 | Osaka International | Kang Min-hyuk | Ko Sung-hyun Shin Baek-cheol | 13–21, 16–21 | Runner-up |