Elena is through to the quarters in Cincinnati after she scored a straight victory over Romanian Sorana Cirstea. Elena won 6-4 6-4 to improve her overall record against the recent Roland Garros quarter-finalist to 3-0.In the quarters to be played on Friday, Elena will be up against #8 seed Caroline Wozniacki of Denmark. Elena has played Wozniacki twice before and the series is tied 2-2. 3 of the matches have been played on hardcourts and Elena leads 2-1. This match will be played at 12.00ET.