Australian Open defending champion Madison Keys raised her game in the Melbourne Park heat to beat Karolina Pliskova 6-3, 6-3 and reach the fourth round.
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.
IMAGES from the Australian Open matches played at Melbourne Park in Melbourne on Thursday.
IMAGES from Day 1 of the US Open matches played at Flushing Meadows, New York on Sunday.
Coco Gauff forgot to bring her rackets to the court but reminded her rivals of her French Open title ambitions with a commanding win while Daniil Medvedev lost his composure on a cold and blustery Tuesday as he crashed out in the opening round.
Linette will battle against Canada's Rebecca Marino, the seventh-seed, in the last eight on Friday.
The first set was over in 31 minutes with the No. 4 seed making the most of a weak Raina serve while saving two break points on her own serve.