leg 3–1, they lost the home leg 5–0 to Saudi Arabian club Al-Ittihad and lost the tie 6–3 on aggregate. The defeat led to the resignation of their manager, Cha Kyung-bok. With Kim Hak-bum's management, the club bounced back to the forefront of South Korean football in style as they claimed their seventh league title in 2006, defeating Suwon Samsung Bluewings 3–1 on aggregate in the championship playoff final. This was their seventh K League title which is a record out of all the K League clubs. Before they were defeated by Suwon Bluewings 2–1 on 15 July 2007 in the 2007 season, they went undefeated for 22 consecutive league matches – the third longest streak in the history of the K League. Seongnam reached the final of the 2007 K League Championship but were beaten 4–1 on aggregate by the Pohang Steelers, despite finishing in first place during the regular season. Seongnam's former player Shin Tae-yong returned as caretaker manager in the 2009 season, then as manager from the following season and continued the club's success. On 13 November 2010, Seongnam beat Iranian club Zob Ahan FC 3–1 in the final of the 2010 AFC Champions League. This was their second AFC Champions League title and qualified them directly into the quarter-finals stage of the 2010 FIFA Club World Cup. Seongnam finished the tournament in fourth place. Seongnam added another FA Cup trophy in 2011, beating Suwon Bluewings 1–0 in the final on 15 October 2011. During the 2013 season, there were rumors that the club was going to be sold to Ansan city government after the death of Sun Myung Moon, the founder of the Unification Church. Moon was extremely devoted to football so the Unification Church had been running the club, but after his death, the Unification Church's board of directors saw no reason to continue running the club and stated their thoughts on selling the club to another organization. After the rumor was reported by the press, Ansan's mayor officially mentioned that the city is in a process of purchasing the club from Ilhwa. Estimated number of 800 supporters protested in front of the Seongnam city hall stating the city could not lose one of the most successful clubs in the Asian football's history. Seongnam city started negotiation to purchase the club from Ilhwa. In October 2013, Lee Jae-myung, the mayor of Seongnam, had a conference