Melbourne, Jan. 24 -- Defending champion Madison Keys continued her winning run at the Australian Open, outclassing former world number one Karolina Pliskova on Saturday.

Keys continued her winning run at the Australian Open, extending her unbeaten run to 10 matches, outclassing the former US Open and Wimbledon finalist 6-3, 6-3 to end her hopes of any further run in the tournament.

Now, she books a clash for the round of 16 with Jessica Pegula, a familiar rival, against whom she enjoys a 2-1 head-to-head record, 6-3, 4-6, 6-1 win on Australian soil in the final of the Adelaide International last January.

Pegula was absolutely dominant against qualifier Oksana Selekhmeteva, as the sixth-seeded player crushed Oksana 6-3, 6-2. A former U...