Newcastle ended their club-record losing streak and put a dent in Perth's fading A-League finals hopes despite a fairytale return to the competition for Glory's Joel Chianese.
A couple of critical decisions went against the Jets, who have played one game more than Victory.
Replays suggested the corner which led to Ryan s equaliser shouldn t have been given, with the last touch appearing to come off a Victory player.
Four minutes later, Valentino Yuel had a headed goal overturned after a VAR review revealed Stamatelopoulos was just offside.
Victory threatened early with the excellent Ben Folami prominent.
He had a fierce fifth-minute shot pushed away by Jets goalkeeper Lewis Italiano and was wide with another attempt a few seconds later.
Newcastle then created some chances with Yuel blazing over from close range and Ramy Najjarine shooting just wide, before Stamatelopoulos netted.
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Wellington Phoenix will be desperate to spark an uplift in form after slumping to the bottom of the A-League table, beginning with a win against Newcastle Jets at McDonald Jones Stadium on Sunday night.
The Phoenix have just one win on the board to date in the 2020/21 A-League season - earned against the league-leading Central Coast Mariners. Ufuk Talay's slide slumped below Melbourne Victory into 12th on the A-League table after a 2-0 loss to the former cellar dwellers in Matchweek 9.
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Save of Matchweek 9 honours go to Melbourne Victory s Max Crocombe, for his quick-fire double save in Melbourne Victory s encounter with Newcastle Jets at AAMI Park on Sunday afternoon.
The Victory gloveman pulled off a pair of excellent stops in the 67th minute of his side s clash with the Jets. Victory were to concede the decisive goal to Angus Thurgate just minutes later, but Crocombe s efforts were herculean in the context of the moment at hand with the scores locked at 0-0.
Crocombe denied both Roy O Donovan and Valentino Yuel in the space of seconds, first diving quickly to his right to repel a well-executed O Donovan header before getting quickly to his feet as Yuel pounced on the loose ball.