Naomi Osaka’s hyped return to Melbourne Park has been cut short by Caroline Garcia in the first round on a day that saw no fewer than four Grand Slam champions knocked out, Nicolas Jarry becomes the first seeded casualty of the men’s draw losing to Italian qualifier Flavio Cobolli — our experts Nick Lester and Simon Rea analyse how he upstaged the Chilean 18th seed and preview tomorrow’s big-serving battle between 2023 finalist Elena Rybakina and Karolina Pliskova, plus party rocker Redfoo is in the house with his unique takes on tennis and the Australian Open fan experience.

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