Australia Under-20 Nickname(s) Young Socceroos Association Football Federation Australia Confederation AFC (Asia) Head coach Aurelio Vidmar Paul Okon Captain Terry Antonis FIFA code AUS First colours Second colours First international Australia 9 – 0 Papua New Guinea (New Zealand; 11 November 1978) Biggest win Australia 16 – 0 Samoa (Rarotonga, Cook Islands; 15 February 2001) Biggest defeat Australia 0 – 4 Brazil (Córdoba, Argentina; 27 June 2001) Australia 1 – 5 Spain