SVITOLINA 1-4 MUGURUZA Big breaks from Muguraza who takes a big lead early on in this one. A break up and racing towards the first set.

SVITOLINA 1-6 2-6 MUGURUZA

That's game, set and match. The fifth seed is out in an upset of sorts but she was playing a former grand slam winner after all. Muguruza heads on through.

Six of the women's top ten are out in the third round!

SVITOLINA 1-6 2-5 MUGURUZA

Challenge over? Muguruza serving for the set, and the fifth seed is on the verge of being dumped out of the Australian Open.

SVITOLINA 1-6 2-4 MUGURUZA

Another marathon game and Svitolina really needs this one. A massive forehand by Muguruza stops her in her tracks at deuce, and Svitolina gives way.

SVITOLINA 1-6 2-3 MUGURUZA

An absolutely crucial hold for Svitolina who wins a marathon game to keep the deficit to within one break. That's much better.

SVITOLINA 1-6 1-3 MUGURUZA

A gutsy start in the second set for Svitolina but Muguruza is in no mood to make a meal of this one. She breaks and races into another lead.

World No 6 Svitolina is heading out of this one with a whimper unless she can conjure up something special here.

SVITOLINA 1-6 MUGURUZA

First set goes to Muguraza, taken in no time at all.

The former world no.1 is well on top. Can she add the Aussie Open to her French Open and Wimbledon titles. She's looking good for it on court today.