Olivia Gadecki defeated Polina Kudermetova 7–5, 6–1 in the first round of the Australian Open on hard court on 16 January 2023, pulling off an upset against the pre-match favourite. Kudermetova entered as the betting favourite at 1.60 odds, but Gadecki, priced at 2.49, controlled the match to secure a decisive victory. The Australian claimed the opening set in a competitive first-set tussle before dominating the second, demonstrating superior consistency to advance comfortably. The result marked a significant scalp for Gadecki early in the year and suggested she could build momentum through the opening Grand Slam of the season.