Melbourne City were subjected to a five-goal hiding in New Zealand on Sunday as they were beaten 5-1 by Wellington Phoenix.
Manchester City's sister club never got going as Nathan Burns scored three goals.
He started and ended the scoring, with his second sandwiched in between goals from Roly Bonevacia and Roy Krishna. He brought his hat trick up with a penalty.
David Williams scored City's goal from the spot.
Sunday's other game saw Newcastle Jets draw 1-1 with Central Coast Mariners, with the Jets still looking for their first win of the season.
Edson Montano put them ahead but Richard Vernes levelled 10 minutes after the break.