Heat, cramps and chaos: Jannik Sinner survives Melbourne furnace to reach fourth round | Tennis News
Jannik Sinner of Italy (AP Photo/Dita Alangkara) The courtside temperature climbed to 40 degrees. The heat was tangible, almost opaque, rising like a wall at Melbourne Park. Sinner, whose struggles in heat and humidity are well documented, wobbled. The Australian Open’s two-time champion was cramping, first in his legs, then in his hands. World No….