For the 2012–13 season O-League changed its format with the introduction of qualifying stage, with the champions of the four weakest leagues competing for a play-off spot with the representative of country with the worst record from the previous tournament. Later rather were also scheduling and format changes for the main tournament .That competition was played between March and May 2013 with introduction of semifinal stage and final played on neutral venue. First O-League one-legged final was played in Auckland, and was the first O-League final between two teams from the same country, with Auckland City defeating Waitakere United to win its 5th title.