Tensions nearly boiled over on Margaret Court Arena with sixth seed Maria Sakkari threatening to call the referee on her teen opponent in a heated clash.
A struggling Sakkari was facing the prospect of being bundled out of the Australian Open at one-set down when she clashed with 18-year-old qualifier Diana Shnaider at 5-4 in the second set.
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Shnaider saved three set points to level at 5-5 and unleashed in a fierce roar – but Sakkari was far from pleased.
“If she screams one more time in my face, I’m going to call the referee,” she told the chair umpire.
“I don’t think it’s to you,” the chair umpire said of her rival’s antics.
But Sakkari furiously replied: “No, no, no. She’s coming towards me.”