As a result of the 21-year-old's effort, City outscored compatriot Adelaide United in the first six places and seven points ahead of the hopes of the final, Newcastle Jets.
Jamie Maclaren, the strike's partner, equaled Robbie Slater's record of 32 goals in the Australian National League by scoring each of his first five games with a new club (as Slater had done for the club's National Football League, Sydney, Croatia, in 1987). the stalemate in the west of Sydney.
However, the heavy rains recorded all day did not favor the chances of ending the impbade, which led to a first half of limited opportunities in front of goal.
Requiring a win to keep the Honest Perth Glory Premiership favorites at the top of Hyundai's A-League, the Sky Blues flew after the interval when Reza Ghoochannejhad nodded for a broad goal.
But Steve Corica's men quickly fell behind when Harrison cashed Kearyn Baccus's pbad before scoring quietly in front of Redmayne.
And the talented Englishman made another eloquent contribution ten minutes from the end of the match, after a nice shot that ricocheted Retre at the back of the net.