Melbourne City claimed a 2-1 win at Ulsan HD on Wednesday as a stoppage-time strike from Marcus Younis earned the Australian side a place in the knockout rounds of the Asian Champions League Elite for the first time.
Younis struck three minutes into time added on to earn the A-League side a fourth win in the league phase, with the victory guaranteeing Aurelio Vidmar's side a top-eight finish.
Melbourne City took the lead through a Max Caputo header in the 36th minute but Darijan Bojanic levelled the scores from distance with 10 minutes remaining.
However, Younis hit the winner when Kavian Rahmani's pass was not cleared and the 20-year-old volleyed in with his left.
The win lifts City into fourth place on 13 points from seven matches and in the 12-team table, trailing Japanese trio Vissel Kobe, Machida Zelvia and Sanfrecce Hiroshima, who all confirmed their progress on Tuesday.