Topic: Sofia Arvidsson

Second-seeded Roberta Vinci came from behind for a second-round win Wednesday at the WTA's Kremlin Cup tennis tournament in Moscow.

Qualifiers Vesna Dolonc and Sofia Arvidsson each won in three sets Tuesday in gaining second-round berths at the WTA's Kremlin Cup.

Polona Hercog, one day after defeating the tournament's No. 1 seed, breezed into the quarterfinals Wednesday at the Bell Challenge.

Top seed Serena Williams was forced to wait a day to play her second-round match at the U.S. Open Wednesday while her sister was eliminated from the tournament.

Top-seeded four-time champion Serena Williams and elder sister Venus, a two-time winner herself, each recorded a first-round win Monday at the U.S. Open.

Angelique Kerber, who reached the final last year in Cincinnati, won her first-round match against Karin Knapp Monday at the Western & Southern Open.

Seeded players Lourdes Dominguez Lino and Johanna Larsson opened the Collector Swedish Open with impressive wins Monday.

Top-seeded Roberta Vinci moved on with a first-round win and Carla Suarez Navarro gained the quarterfinals Tuesday at the grass-court Topshelf Open.

Seventh-seeded Sara Errani of Italy kicked off the Madrid Open Saturday with a straight-set victory over Poland's Urszula Radwanska.

Top seeds Marion Bartoli and Dominika Cibulkova were beaten Tuesday in first-round matches at the Portugal Open.