Nigeria came from behind to beat Australia and leave the co-hosts facing a battle to qualify for the round of 16 of the Fifa Women’s World Cup.
Australia scored the opener when Emily van Egmond converted Caitlin Foord’s pass.
Nigeria levelled the score five minutes after with Uchenna Kanu’s calm finish, before Osinachi Ohale’s header gave Super Falcon it a 2-1 lead.
Asisat Oshoala scored after a mix-up between Australia’s Alanna Kennedy and Mackenzie Arnold and Nigeria held on, despite Kennedy scoring late on.
Nigeria move top of Group B, level with Canada on four points, while Australia are a point behind both before the last matches in the section on Monday.
Australia face Olympic champions Canada in Melbourne and may need a victory to guarantee a place in the knockout stages, while Nigeria will face already-eliminated Republic of Ireland at the same time in Brisbane.