The Pegasus went into the second leg against Saudi giants Al Shabab with a one-goal deficit following the 4-3 first leg in Riyadh and managed to salute with a 1 -0 victory at home, allowing them to go through on away goals after the semi-final was tied 4-4 overall.
Cho Dong-geon hit the only goal of the match on the half-hour mark to set up the win and out Seongnam into the final for the first time since 2004.
Asian Champions League semi-final second legSeongnam Ilhwa (KOR): 1 (Cho Dong-geon 30') *Seongnam win on away goals after 4-4 aggregate Al Shabab (KSA): 0
Venue: Tancheon Sports Complex, Seongnam
The second semi-final, between Saudi Arabia's Al Hilal and Iran's Zobahan will be played tonight. Zobahan lead 1-0 after the first leg in Esfahan.