 The games are played in a single leg knock-out format until the quarter-finals and semi-finals when home and away matches are played and aggregate scores are taken into account.Since 2005 the final is also held as a single-legged match, although it was a two-legged affair in the period between 1994 and 2004.As of 2019, a total of 14 clubs have reached the cup finals; the most successful side in the history of the competition is Maribor, who have triumphed 9 times in their 14 cup final appearances.