Paula Badosa defeated Olga Danilovic 6–1, 7–6 in the Australian Open fourth round on hard court, confirming her status as pre-match favourite with odds of 1.39 to Danilovic's 3.29. Badosa dominated the opening set, breaking serve decisively to establish control, before Danilovic mounted a stronger challenge in the second. The Serbian competitor forced a tie-break but could not convert the opportunity, allowing Badosa to secure passage to the quarter-finals. The victory extends Badosa's Australian Open campaign and underscores her current form on hard courts at the year's opening Grand Slam.