Overview
- Aryna Sabalenka recovered from an early break to defeat French wildcard Tiantsoa Rakotomanga Rajaonah 6-4, 6-1, setting up a second-round match with qualifier Bai Zhuoxuan.
- Carlos Alcaraz opened with a 6-3, 7-6 (7-2), 6-2 win over Adam Walton and continues his bid to complete a career Grand Slam, next facing Yannick Hanfmann.
- Third seed Alexander Zverev rebounded from a first-set tiebreak loss to beat Gabriel Diallo 6-7, 6-1, 6-4, 6-2 to reach round two for the 10th straight year.
- Qualifier Zeynep Sonmez upset No. 11 Ekaterina Alexandrova and became the first Turkish woman to reach the Australian Open second round, with play briefly halted after a ball girl fainted.
- Elsa Jacquemot ousted No. 20 Marta Kostyuk in three tiebreaks, Venus Williams lost to Olga Danilovic after leading 4-0 in the final set, and organisers reported a record 100,763 fans on Day 1.