Reigning champion Kim Clijsters rolled into the US Open quarter-finals on Sunday while third seed Venus
Williams booked a date with French Open champion Francesca Schiavone to decide a semi-final spot.
Belgian second seed Clijsters needed only 59 minutes to eliminate Serbian former world No.1 Ana Ivanovic 6-2 6-1 for her 18th victory in a row on the Flushing Meadows hardcourts.
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Italian sixth seed Schiavone ousted 20th-seeded Russian teen Anastasia Pavlyuchenkova 6-3 6-0 in 68 minutes, matching her best US Open showing from 2003 in a year that also saw her win her first
slam in June on Paris clay.
Williams downed Israeli 16th seed Shahar Peer 7-6 (7-3) 6-3. The seven-time grand slam champion and two-time US Open winner will carry a 7-0 career edge against Schiavone into their matchup.
Clijsters will next face the winner of a night match between Australian fifth seed Samantha Stosur, seeking her first US Open quarter-final berth, and Russian 12th seed Elena Dementieva.
