Sinner fires up in the heat to reach quarter-finals

Jannik Sinner swept aside concerns about his heat tolerance as he breezed to a 6-1 6-3 7-6(2) win over fellow Italian Luciano Darderi on Monday to reach his fourth Australian Open quarter-finals. With the temperature rising to 33 degrees Celsius (91F) in the evening match at Margaret Court Arena, all eyes were on the defending […]