Day Two - First round continued at the 2023 Australian Open.
Excessive heat suspended matches on outside courts for a few hours during the afternoon.
Later in the evening, rain prevented matches on those courts from being completed or begun.
2023 Australian Open, on Hard, in Melbourne, Victoria, Australia, 16-29 January 2023.
Defending champion:
Rafael Nadal (6) who defeated Daniil Medvedev (2) 2-6 6-7(5) 6-4 6-4 7-5
19th seed Nick Kyrgios withdrew after the main draw was published due to a knee injury, and was replaced by lucky loser Denis Kudla
David Goffin withdrew after the main draw was published due to illness, and was replaced by lucky loser Michael Mmoh.
First round results:
- Andrey Rublev (5) defeated wildcard Dominic Thiem 6-3 6-4 6-2
- Emil Ruusuvuori led qualifier Max Purcell 4-6 6-3 6-4 6-6 when rain stopped play and match was rescheduled to Day 3
- Jeremy Chardy defeated Daniel Elahi Galan 1-6 7-5 6-1 6-4
- Daniel Evans (25) defeated Facundo Bagnis 6-4 4-6 6-4 6-4
- Lucky loser Denis Kudla v Roman Safiullin rescheduled to Day 3
- Ugo Humbert led Richard Gasquet 2-1 when rain stopped play and match was rescheduled to Day 3
- Maxime Cressy led Albert Ramos-Vinolas 7-6(2) 7-5 3-6 2-2 when rain stopped play and match was rescheduled to Day 3
- Holger Rune (9) defeated Filip Krajinovic 6-2 6-3 6-4
- Pablo Carreno Busta (14) defeated Pedro Cachin 7-6(4) 6-1 7-6(3)
- Benjamin Bonzi defeated qualifier Mattia Bellucci 4-6 6-3 7-6(5) 6-4
- John Isner led Adrian Mannarino 7-6(5) 3-4 when rain stopped play and match was rescheduled to Day 3
- Alex de Minaur (22) defeated qualifier Hsu Yu-hsiou 6-2 6-2 6-3
- Grigor Dimitrov (27) defeated Aslan Karatsev 7-6(3) 7-5 6-2
- Laslo Djere defeated qualifier Zizou Bergs 6-4 1-6 6-4 6-1
- Qualifier Enzo Couacaud v Hugo Dellien rescheduled to Day 3
- Novak Djokovic (4) defeated Roberto Carballes Baena 6-3 6-4 6-0
- Taylor Fritz (8) defeated Nikoloz Basilashvili 6-4 6-2 4-6 7-5
- Wildcard Alexei Popyrin defeated Tseng Chun-hsin 4-6 7-6(5) 6-7(5) 7-6(4) 6-1
- Ben Shelton defeated Zhang Zhizhen 4-6 6-3 6-2 2-6 7-6(10-4)
- Qualifier Nicolas Jarry defeated Miomir Kecmanovic (26) 6-3 6-4 7-6(3)
- Diego Schwartzman (23) defeated qualifier Oleksii Krutykh 6-4 6-7(6) 6-3 7-6(5)
- J.J. Wolf defeated Jordan Thompson 6-3 3-6 6-4 7-5
- Lucky loser Michael Mmoh led qualifier Laurent Lokoli 4-6 2-6 7-6(7) 6-4 3-1 when rain stopped play and match was rescheduled to Day 3
- Alexander Zverev (12) defeated lucky loser Juan Pablo Varillas 4-6 6-1 5-7 7-6(3) 6-4
- Andy Murray defeated Matteo Berrettini (13) 6-3 6-3 4-6 6-7(7) 7-6(10-6)
- Thanasi Kokkinakis led Fabio Fognini 6-1 6-2 4-2 when rain stopped play and match was rescheduled to Day 3
- Qualifier Brandon Holt led qualifier Aleksandar Vukic 6-4 1-6 4-2 when rain stopped play and match was rescheduled to Day 3
- Roberto Bautista Agut (24) led Joao Sousa 6-3 1-0 when rain stopped play and match was rescheduled to Day 3
- Alejandro Davidovich Fokina (30) defeated Alexander Bublik 6-0 6-7(3) 3-6 6-4 6-3
- Tommy Paul defeated qualifier Jan-Lennard Struff 6-1 7-6(6) 6-2
- Jenson Brooksby defeated Christopher O’Connell 3-6 6-2 6-3 6-2
- Casper Ruud (2) defeated Tomas Machac 6-3 7-6(6) 6-7(5) 6-3