Career
Kang became a professional in 2002. In 2007, he was promoted to the rank of 7 daughter He is a disciple of Kwon Kab-ryong.
He is now a 9-dan professional player.
He is one of the most promising go players. His current record in the 2007 Korean Baduk League is 7 wins 1 loss.
So far in this tournament he beat some of the top Korean players like Cho Hunhyun, Lee Chang-ho, Mok Jin-seok and Cho Han-seung. Though it was a difficult loss with white, as all of Kang"s matches beforehand had been with black, it still made the Korean Team gain an advantage in members remaining, and with fellow Korean baduk kings Lee Se-dol and Lee Chang-ho remaining, of Korea was still the strongest contender for the cup.
However, Lee Chang-ho never got to play, as Lee Se-dol defeated both Chang Hao and Gu Li.
Kang played Park Yeong-hun in the semifinals at the 22nd Fujitsu Cup, defeating Park in 200 moves. This was the first time Kang had ever been in a World Go Championship final. In the final, he went up against Lee Chang-ho, who defeated Chang Hao by 4 and a half points with black in the semifinals.