Campbelltown City have ended North Eastern MetroStars 10 match winning streak, with a 2-1 victory at Newton Village Sports Complex.
Alex Mullen put the Red Devils up 1-0 inside 10 minutes when he headed past Isaac Carmody, with Dion Kirk doubling the lead two minutes later.
Christian Esposito pulled a goal back after 23 minutes.
MetroStars are still top of the National Premier League - SA table, two points ahead of the Red Devils.
MetroStars are at home this weekend against West Torrens Birkalla.
Campbelltown 2 (A.Mullen 10', Kirk, 12')
MetroStars 1 (Esposito 23P')
Campbelltown - Harpas, Fyfe, Halliday, Kirk (Hartnell 59'), M.Mullen,Harvey, Matsumoto (Marino 72'), A.Mullen, Piscioneri, Ditroia, Ture.
MetroStars - Carmody, Barr, Davis, Henderson, D'Aloisio, Callisto (Solagna 60'), Dawber (Jakob 80'), Esposito, Morris (Shaksi 80'), Wooding, Strain.