Overview
- Carlos Alcaraz beat Australian qualifier Adam Walton 6-3, 7-6 (7-2), 6-2 to open his bid for a career Grand Slam and will face Yannick Hanfmann next.
- Aryna Sabalenka overcame a shaky start to defeat Tiantsoa Rakotomanga Rajaonah 6-4, 6-1 and earned a second-round meeting with Bai Zhuoxuan.
- Alexander Zverev recovered from a first-set tiebreak loss to top Gabriel Diallo 6-7, 6-1, 6-4, 6-2, while Frances Tiafoe moved past Jason Kubler in straight sets.
- Qualifiers and newcomers produced early shocks as Michael Zheng edged Sebastian Korda in five sets, Elsa Jacquemot upset No. 20 Marta Kostyuk, and Zeynep Sonmez beat No. 11 Ekaterina Alexandrova to become the first Turkish woman to reach round two in Melbourne.
- Venus Williams, 45, became the oldest woman to compete in the singles draw before falling to Olga Danilovic, and organizers reported a record crowd, with outlets citing either a total of 100,763 or a daytime mark of 73,235.