The teenager long ago outgrew his legendary father, has been prominent at the Davis Cup, and has already sparked an off-court controversy with Nick Kyrgios. Yet Cruz Hewitt hasn’t yet made his formal Australian Open debut.

The son of Lleyton and Bec Hewitt is just 16, but at 1.88m (6ft 2in) already towers over Australia’s Davis Cup captain and two-time grand slam winner. And despite ranking in the 1200s and with just six ATP rankings points to his name (the world No 1, Jannik Sinner has 11,030), Hewitt has already become the talking point in the grand slam’s opening week.

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