The Countdown Round Semifinalists are the third and fourth place people in the countdown round.
Here is a list of the countdown round semifinalist history.
2016: Jason Liu, Ben Kang
2015: Freddie Zhao, Frank Han
2014: Daniel Zhu, Alan Peng
2013: Andy Xu, Franklyn Wang
2012: Kevin Sun, Allen Liu
2011: Shram Narayanah, Kevin Yang
2010: Alex Song, Darryll Wu