The competition is contested by 32 clubs in a knock-out format where all rounds will be played over two legs and the away goals rule will be used, but in the first three rounds, if the away team won the first leg with an advantage of at least three goals, the second leg will not be played and the club will be automatically qualified to the next round.
2013 ATP Challenger Tour | Copa del Rey | 2013 | 2013 ATP World Tour | Copa Libertadores | 2013 Southeast Asian Games | 2013 ITF Women's Circuit | Copa América | 2013 WTA Tour | 2013 Island Games | Eurovision Song Contest 2013 | 2013 Mediterranean Games | 2011 Copa América | Big East Conference (1979–2013) | Banco do Brasil | 2013 World Aquatics Championships | 2013–14 figure skating season | Miss Universe 2013 | Malaysian general election, 2013 | Australian federal election, 2013 | 2013–14 NCAA Division I men's basketball season | 1997 Copa América | British Columbia general election, 2013 | 2013 NCAA Division I FBS football season | 1999 Copa América | Miss Brasil | Botafogo de Futebol e Regatas | 2013 CFL season | 2013–14 Copa del Rey | 2004 Copa América |