Lesia Tsurenko defeated Naomi Osaka 6-2, 6-4 in the semi-final of the WTA 250 Brisbane tournament on hard court on 5 January 2019, delivering an upset against the pre-match favourite. Osaka, seeded higher in the betting odds at 1.41, entered the match as the clear favourite, but Tsurenko's dominant performance—controlling both sets with decisive scorelines—proved too much for the Japanese player. The Ukrainian's clinical execution across two sets secured her place in the final and represented a significant result against one of the tour's rising talents. The victory demonstrated Tsurenko's capability to compete at the highest level on hard courts and sets up a final appearance for the Ukrainian player.