![Ko Sung-hyun and Shin Baek-cheol of South Korea compete against Kim Gi-jung and Lee Yong-dae of South Korea in their final match of men's doubles duri Stock Photo - Alamy Ko Sung-hyun and Shin Baek-cheol of South Korea compete against Kim Gi-jung and Lee Yong-dae of South Korea in their final match of men's doubles duri Stock Photo - Alamy](https://c8.alamy.com/comp/W5WRXA/ko-sung-hyun-and-shin-baek-cheol-of-south-korea-compete-against-kim-gi-jung-and-lee-yong-dae-of-south-korea-in-their-final-match-of-mens-doubles-duri-W5WRXA.jpg)
Ko Sung-hyun and Shin Baek-cheol of South Korea compete against Kim Gi-jung and Lee Yong-dae of South Korea in their final match of men's doubles duri Stock Photo - Alamy
![South Korea's Shin Baek-cheol (front) returns a shot as his partner Ko Sung-hyun (back) looks on during men's doubles semi-final match against South Korea's Lee Yong-dae and Yoo Yeon-seong at the 2015 South Korea's Shin Baek-cheol (front) returns a shot as his partner Ko Sung-hyun (back) looks on during men's doubles semi-final match against South Korea's Lee Yong-dae and Yoo Yeon-seong at the 2015](https://c8.alamy.com/zooms/6/3aa8ebdb16a24191bfe5aaf2085ad329/2d04mwp.jpg)
South Korea's Shin Baek-cheol (front) returns a shot as his partner Ko Sung-hyun (back) looks on during men's doubles semi-final match against South Korea's Lee Yong-dae and Yoo Yeon-seong at the 2015
![Ko Sung-hyun/Shin Baek-cheol beat Arif Latif/Azriyn Ayub to enter Vietnam Open final - BadmintonPlanet.com Ko Sung-hyun/Shin Baek-cheol beat Arif Latif/Azriyn Ayub to enter Vietnam Open final - BadmintonPlanet.com](https://www.badmintonplanet.com/wp-content/uploads/2018/08/08-12-2018-badminton-news-Ko-Sung-Hyun-Shin-Baek-Choel.jpg)
Ko Sung-hyun/Shin Baek-cheol beat Arif Latif/Azriyn Ayub to enter Vietnam Open final - BadmintonPlanet.com
![Ko Sung-hyun and Shin Baek-cheol of South Korea compete against Kim Gi-jung and Lee Yong-dae of South Korea in their final match of men's doubles duri Stock Photo - Alamy Ko Sung-hyun and Shin Baek-cheol of South Korea compete against Kim Gi-jung and Lee Yong-dae of South Korea in their final match of men's doubles duri Stock Photo - Alamy](https://c8.alamy.com/comp/W5WR7X/ko-sung-hyun-and-shin-baek-cheol-of-south-korea-compete-against-kim-gi-jung-and-lee-yong-dae-of-south-korea-in-their-final-match-of-mens-doubles-duri-W5WR7X.jpg)