Caroline Wozniacki has progressed to the third round of the Australian Open with a 6-0 1-6 6-2 victory over Christina McHale.
The Dane got the better of her opponent in 103 minutes, but not without surviving a scare.
Wozniacki won the first set 6-0 with ease, despite McHale saving two match points.
McHale stepped up her game thereafter and tied the contest at one set each, romping to a 6-1 victory in the second.
Wozniacki could produce only two winners and 14 unforced errors in the second set, but made a comeback in the third and deciding one.
The former world number one took her American opponent in her stride and clinched the set 6-2 to set up a third-round clash against Garbine Muguruza.
