The knockout stage of the 2019 AFC Asian Cup was the second and final stage of the competition, following the group stage. It began on 20 January with the round of 16 and ended on 1 February with the final match, held at the Zayed Sports City Stadium in Abu Dhabi. A total of 16 teams (the top two teams from each group, along with the four best third-placed teams) advanced to the knockout stage to compete in a single-elimination style tournament.