Sharapova hammers Peng

The second seed broke Peng twice in the first set winning 6-3.

Sharapova wasted little time in finishing off Peng, breaking immediately and running away with a 6-0 second set, winning the match in 75 minutes.

The Russian faces Bouchard next in the quarter-finals, the Canadian beat Irina Begu of Romania in three sets earlier in the day.