Jannik Sinner may have felt lucky to survive the Australian Open third round but he rebounded quickly in a straight-sets win Monday over fellow Italian Luciano Darderi to reach the quarterfinals for a ninth consecutive Grand Slam event. The two-time defending champion struggled with the extreme heat and cramping in his Saturday afternoon win over No. 85-ranked Eliot Spizzirri, and only took control after the roof was closed in the third set. Sinner later admitted he got a bit lucky with the timing of the extreme heat policy being invoked, leading to an eight-minute break to close the roof.
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