ANDY Murray cruised into the third round of the Australian Open with a straight sets victory over Ukrainian Illya Marchenko.

The fifth seed won 6-1 6-3 6-3 and will now face 32nd seed Guillermo Garcia-Lopez of Spain.

After serving eight aces in a dominant first set, Marchenko broke Murray’s serve at the start of the second set.

But the Scot hit back instantly before comfortably winning the third set at Melbourne Park.