Second-seeded Ons Jabeur became the latest top player to exit the Australian Open in the second round, beaten by 86th-ranked Marketa Vondrousova 6-1, 5-7, 6-1.

Jabeur had complained of a knee problem after her opening victory at Melbourne Park and seemed out of sorts for much of the loss against Vondrousova, which ended a little past 1 a.m. on Friday. Read More