Olivier Giroud, Aaron Ramsey and Mohamed Elneny gave the Gunners a 3-0 first half lead, before Steven lustica pulled one back after the interval.
Arsene Wenger’s team held up a banner at the end of the game to thank the fans for their time during their week in Sydney, which also saw a 2-0 victory over Sydney FC, in the same ANZ Stadium, on Thursday.
Next stop for Arsenal is China, where they face Bayern Munich in Shanghai on Wednesday, before a showdown with local rivals Chelsea on Saturday in Beijing.
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