Australian Open 2021 day nine: Hsieh Su-wei v Naomi Osaka – live!

• Updates from the first day of quarter-finals at Melbourne Park
• Ash Barty plays a team game in singular pursuit of home glory
• Any thoughts? Email or tweet @mike_hytner

1.44am GMT

Of course, there are still no fans in the stands today - and at least until Thursday - as we await clearance from the Victorian government to lift the snap lockdown imposed from Friday last week. And with two new locally acquired cases reported today, things it would seem are still very much in the balance. We shall see.

To the action! Osaka will serve first. Ready? Play.

1.37am GMT

Here come the players onto Rod Laver Arena, both sporting hats and face masks. Osaka supplements her headgear with a pair of headphones. There’s a high of 27C in Melbourne today and it’s partially cloudy over Melbourne Park. In short, more perfect playing conditions.

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