 Jung Sung-ryong played in both legs against Seongnam Ilhwa Chunma, as they beat them 4–1 on aggregate to help the club to win 2007 K League championship.However, he played in both legs in Korean FA Cup Final, as they lost 6–3 on aggragate to Chunnam Dragons as a Korean FA Cup Runners up.Despite this, Jung Sung-ryong went on to make nineteen appearances for the side.