Maria Sharapova, the champion in 2008 and runner-up last year, stormed through 6-0, 6-0 in just 55 minutes and will next play either Croat Petra Martic or Misaki Doi of Japan.

The second seed came into the season's opening Grand Slam without any competitive matches under her belt after a collarbone injury ruled her out of the Brisbane International, but showed no evidence of the problem on court.