The score says it all. It was a match at Maria`s discretion and she ended this 3rd round match in less than one hour (58 minutes).
Maria is in 4th round at US Open 2012, where she will play either Nadia Petrova of Russia or Lucie Safarova of Czech Republic.
UPDATE: 4th Round: Maria Sharapova vs Nadia Petrova. On head to head Maria leads Petrova: 8-1. Their last match was in 2009 in Toronto where Maria won in straight sets: 6-3, 6-4.
GO MARIA !!!