Spanish third seed Garbine Muguruza became the latest leading name to make an early exit at the Australian Open as she lost to Czech Barbora Strycova.
Muguruza, last year’s Wimbledon runner-up, dropped serve four times as she lost 6-3 6-2 to the world number 48.
Germany’s Angelique Kerber is the only top-10 seed, at number seven, left in the bottom half of the women’s draw.
Britain’s Andy Murray and Swiss Stan Wawrinka are among the men’s seeds in action later on Saturday.
More to follow.