Jannik Sinner battled cramp in extreme heat in a gutsy win over American Eliot Spizzirri to enter the fourth round of the Australian Open on Saturday
The day session attendance of 51,048 was some 10,000 short of day six on Friday and even less than last year's corresponding session.
Defending champion Jannik Sinner scorched American eighth seed Ben Shelton 6-3, 6-4, 6-4 and moved into the Australian Open semi-finals.
Jannik Sinner brushed aside heat concerns to reach the Australian Open quarter-finals, while Iga Swiatek ended home hopes by overpowering Maddison Inglis in Melbourne.
IMAGES from the Australian Open matches played at Melbourne Park in Melbourne on Thursday.