Updates as Australia’s No 30 seed takes on the Czech player

‘I don’t want to be a punching bag’ – retirements mar dramatic day

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Queues for entry have been flowing freely at Melbourne Park on Tuesday morning, even if there are still tens of thousands on the site.

One family whose father spoke to the Guardian said his wife and two children were pleasantly surprised after the reports of recent days. They arrived at the Olympic Boulevard entry at 10.12am and were inside within two minutes.