Jelena Jankovic overcame a slow start Wednesday to dispose of Vania King in the second round of the East-West Bank Classic in California.
Samantha Stosur and Melinda Czink pulled off first-round upsets Monday in the East West Bank Classic tennis tournament in Los Angeles.
Nicola Vaidisova and Alona Bondarenko both came from behind Thursday in third-round play at the $200,000 DFS Classic tennis tournament in England.
Top-seeded Marion Bartoli was one of four seeded players losing matches Wednesday at the $200,000 DFS Classic tennis tournament in England.
Second-seeded Shahar Peer was a straight-set winner Thursday as the four top seeds advanced to the quarterfinals of the $145,000 Prague Open tennis tournament.
Top-seeded Vera Zvonareva claimed a straight-set victory Tuesday in first-round play at the $145,000 Prague Open.
Top seed Maria Sharapova advanced to the third round Tuesday at the Bausch & Lomb Championships and three-time champion Lindsay Davenport also won.
Lindsay Davenport, seeking her second title of the year, coasted into the quarterfinals Wednesday at the Morgan Keegan Championships.
Virginie Razzano ran her winning streak to 11 matches with a straight-set win Tuesday in first-round play of the $200,000 Bangkok Open tennis tournament.
Top-seeded Russian Anna Chakvetadze and second-seeded Swiss Patty Schnyder both picked up wins Tuesday at the Western & Southern Financial Open.