LDU Quito had the most success in the Recopa Sudamericana, winning back-to-back titles in 2009 and 2010. Their participation in the Recopa was achieved by winning the 2008 Copa Libertadores and the 2009 Copa Sudamericana. LDU Quito is the first, and to date, the only Ecuadorian club to win any of the aforementioned tournaments.
In the tables, (H) denotes home ground, (A) denotes away ground, and (N) symbolizes neutral ground. The first score is always LDU Quito's.
Copa Libertadores
The Copa Libertadores was inaugurated in 1960, and LDU Quito first participated in 1970. They reached the semifinals in consecutive seasons in 1975 and 1976. After sporadic participation in the 1980s and 1990s, Liga became a regular participant in the 2000s. They won the competition in 2008, becoming the first Ecuadorian club to win the competition or any international title.
The Copa Sudamericana was inaugurated in 2002 and Liga first participated in 2003. They have been regular participants since then. They hold the record with most semifinal appearances totaling four times (2004, 2009, 2010, 2011). Liga won the competition in 2009 for their third international title.
The Copa CONMEBOL was inaugurated in 1992 and lasted until 1999. Liga only participated in one edition (1998). They were eliminated in the second round by eventual champion Santos.
The Recopa Sudamericana was inaugurated in 1989 and again in 2003. It is contested between the winners of the Copa Libertadores and Copa Sudamericana. Liga participated in consecutive seasons in 2009 and 2010 as the 2008 Copa Libertadores and 2009 Copa Sudamericana champions, respectively. Liga won both editions and are currently the second most successful club in the competition. They are also one of three clubs to win back-to-back titles.
The Copa Suruga Bank was inaugurated in 2008 and is contested between the winners of the Copa Sudamericana and the J.League Cup. Liga's only participation came in 2010 as the 2009 Copa Sudamericana champion. Lost their only match in a penalty shoot-out.
The FIFA Club World Cup is an international club competition between the seasons' winner of each continental club championship, inaugurated in 2000. Liga's only participation came in 2008 as that year's Copa Libertadores champion. They finished as the runner-up to the European champions, Manchester United.
^Gonzalez, Miguel Alvim; Andrés, Juan Pablo (December 15, 1999). "Copa Conmebol 1998". RSSSF. Archived from the original on January 12, 2016. Retrieved August 31, 2011.
^Andrés, Juan Pablo (May 14, 2010). "Recopa 2008". RSSSF. Retrieved August 31, 2011.
^Andrés, Juan Pablo (September 14, 2010). "Recopa 2009". RSSSF. Retrieved August 31, 2011.