This is a list of the matches worth watching on day one of the Australian Open, and the times they are being held.
The Day Session
-From 12am GMT
-1st matches
Sakkari (5) v Maria on Rod Laver Arena – Biggest match
Shapovalov (14) v Djere on John Cain Arena
Svitolina (15) v Ferro on Margaret Court Arena
Bencic (22) v Mladenovic on Kia Arena
Harris (30) v Vukic (WC) on Court three
Alcaraz (31) v Tabilo (Q) on Court seven – Most interesting match
Rune v Kwon on Court 12 – Closest match
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-2nd match after 12am (around 2am GMT)
Berrettini (7) v Nakashima on Margaret Court Arena – Biggest and most interesting match
Hurkacz (10) v Gerasimov on John Cain Arena
Osaka (13) v Osorio on Rod Laver Arena
Monfils (17) v Coria on Kia Arena
Khachanov (28) v Kudla on Court seven
Duckworth v Mannarino – Closest match
—
-Not before 3am GMT
Nadal (6) v Giron on Rod Laver Arena
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-Not before 4am GMT
Jabeur (9) v Parrizas Diaz on 1573 Arena – Biggest match
Azarenka (24) v Udvardy on Court three – Closest match
—
-3rd match after 12am (around 4am GMT)
Norrie (12) v Korda on Kia Arena – Biggest, closest and most interesting match
Gauff (18) v Wang on Margaret Court Arena
Carreno Busta (19) v Etcheverry (Q) on Court six
Pegula (21) v Kalinina on Court five
Ostapenko (26) v Schmiedlova on Court 17
—
-Not before 6am GMT
Krejcikova (4) v Petkovic on Kia Arena – Biggest match
Kenin (11) v Keys on John Cain Arena – Most interesting match
Opelka (23) v Anderson on Court 13 – Battle of the big serves, new v old
Kokkinakis (WC) v Hanfmann on Court three – Closest match
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The Night Session
From 8am GMT
-1st matches
Barty (1) v Tsurenko (Q) on Rod Laver Arena – Biggest and most interesting match
Lopez v Millman on Margaret Court Arena – Closest match
—
-2nd matches after 8am (around 10am GMT)
Zverev (3) v Altmaier on Rod Laver Arena – Biggest match
Badosa (8) v Tomljanovic on Margaret Court Arena – Closest and most interesting match