 Complete the following phrase:  The knockout stage of the 2015 AFC Asian Cup was the second and final stage of the 2015 AFC Asian Cup, following the group stage. It was played on 22 to 31 January, began with the quarter-finals and ended with the final match of the tournament, held at Stadium Australia, Sydney. The top two teams from each group eight in total advanced to the knockout stage to compete in a single-elimination tournament. A third-place match was played between the two losing teams of the semi-finals United Arab Emirates and Iraq. Australia won the trophy after defeating South Korea in the 