Koo Kien Keat
Choong played in the 2008 Thomas Cup series (men's world team championship) for the Malaysian team. In the quarter-final, where Malaysia faced Japan, Choong paired with Koo Kien Keat to defeat Shuichi Sakamoto and Shintaro Ikeda 21–13, 21–11. However, due to illness Choong could not take part in the semi-final showdown against defending champion China which Malaysia narrowly lost 2–3.